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Biomedical subjects

Hakan Demirci

Publications and source records attributed to Hakan Demirci.

At least 19 recordsLinked to original sources
PubMed2006

Periocular necrotizing fasciitis with visual loss pathogenesis and treatment.

OBJECTIVE: To illustrate the role of clinically necessary aggressive subcutaneous debridement with limited excision of necrotic skin in treating necrotizing faciitis, while demonstrating the histopathologic basis of orbital spread and blindness complicating this disorder. DESIGN: Observational retrospective case series. PARTICIPANTS: Seven consecutive patients cared for by the Eye Plastic and Orbital Surgery Services at the University of Michigan and University of Iowa. METHODS: Retrospective review of ocular findings, systemic features, management, outcome, and histopathology of debrided tissue from 7 patients with periocular necrotizing fasciitis. MAIN OUTCOME MEASURES: Patient survival and morbidity. RESULTS: Bilateral involvement was present in 6 of the 7 patients. Five patients suffered ophthalmic or central retinal artery occlusion with loss of vision. All patients underwent extensive debridement of subcutaneous tissue with sparing of overlying nonnecrotic skin and intensive systemic antibiotic therapy. Four patients required unilateral exenteration. After a mean follow-up of 38 months, 6 patients were alive; 1 died perioperatively due to septic shock. Histopathology, not previously described, showed inflammation to spread preferentially along eyelid fibrofatty-fascial tissue planes into the orbit and along orbital fibrous septae, leading to intense perivascular inflammation, thrombosis, and ocular infarction. CONCLUSIONS: Necrotizing fasciitis is a potentially fatal disease that often causes blindness when affecting the periocular region. To reduce morbidity and mortality in severe infections, prompt subcutaneous debridement and limited resection of necrotic skin are usually necessary.

Adult↗
PubMed2005

Long-term visual outcome following chemoreduction for retinoblastoma.

OBJECTIVE: To evaluate long-term visual outcome following chemoreduction. DESIGN: Interventional case series evaluating 54 eyes of 40 children with retinoblastoma successfully treated with chemoreduction, consisting of a combination of intravenous carboplatin, etoposide phosphate, and vincristine sulfate plus focal therapy without external beam radiotherapy or enucleation. All patients were followed up for at least 5 years. Patient and tumor data were analyzed for their effect on the main outcome measures (final visual acuities of 20/40 or better and of 20/200 or better) using univariate and multivariate regression models. Patients who failed chemoreduction were excluded. RESULTS: There were 4 eyes in Reese-Ellsworth group I, 7 in group II, 3 in group III, 15 in group IV, and 25 in group V. The mean distance from the posterior tumor margin to the optic disc was 2 mm, and from the tumor margin to the foveola it was 3 mm. After a mean follow-up of 68 months, 27 eyes (50%) had a final visual acuity of 20/40 or better, and 36 eyes (67%) had final visual acuity of 20/200 or better. Of 33 eyes with macular tumor, only 8 (24%) had a final visual acuity of 20/40 or better, and 15 (45%) had a final visual acuity of 20/200 or better. Of 21 eyes with extramacular tumor, 19 (90%) had a final visual acuity of 20/40 or better, and all (100%) had a final visual acuity of 20/200 or better. CONCLUSION: The clinical factors that predicted visual acuity of 20/40 or better were a tumor margin at least 3 mm from the foveola and optic disc and an absence of subretinal fluid.

Antineoplastic Combined Chemotherapy Protocols↗
PubMed2005

Factors predictive of tumor growth, tumor decalcification, choroidal neovascularization, and visual outcome in 74 eyes with choroidal osteoma.

OBJECTIVE: To evaluate choroidal osteoma for tumor growth, tumor decalcification, related choroidal neovascularization, visual acuity loss, and poor visual acuity. DESIGN: Retrospective nonrandomized single-center case series. SETTING: Ocular Oncology Service at Wills Eye Hospital, Thomas Jefferson University, Philadelphia, Pa. PARTICIPANTS: There were 74 eyes of 61 patients with choroidal osteoma evaluated between January 1, 1977, and January 1, 2003. MAIN OUTCOME MEASURES: The 5 outcome measures included tumor growth, tumor decalcification, related choroidal neovascularization, visual acuity loss of 3 or more Snellen lines, and poor visual acuity of 20/200 or worse. RESULTS: At 5 and 10 years, Kaplan-Meier analysis revealed tumor growth in 22% and 51% of eyes, tumor decalcification in 28% and 46% of eyes, choroidal neovascularization in 31% and 31% of eyes, visual acuity loss in 26% and 45% of eyes, and poor visual acuity in 45% and 56% of eyes, respectively. The clinical factor predictive of tumor growth was absent overlying retinal pigment epithelial alterations. The factor predictive of decalcification was irregular tumor surface. Of the 15 tumors that showed partial decalcification at the first visit, there was no further tumor growth in any case. Of the remaining 12 tumors that later developed decalcification, tumor growth, if it occurred, was along the margin opposite the decalcification. No tumor showed growth in the region of decalcification. Factors predictive of choroidal neovascularization included irregular tumor surface and subretinal hemorrhage. In 6 eyes that had both choroidal neovascularization and tumor decalcification, the neovascularization was detected prior to or at the same time as the decalcification. The factor predictive of visual acuity loss was presence of subretinal fluid whereas the factors predictive of poor visual acuity included symptoms and tumor decalcification. A comparison of eyes with subfoveal vs extrafoveal choroidal osteoma showed poor visual acuity in 15 (34%) of 44 eyes and 3 (10%) of 30 eyes, respectively. Eyes with decalcified choroidal osteomas manifested poor visual acuity in 13 (48%) of 27 eyes whereas those with nondecalcified tumors showed poor visual acuity in 5 (11%) of 47 eyes. CONCLUSIONS: Choroidal osteoma showed evidence of growth in 51% of eyes and decalcification in nearly 50% of eyes by 10 years. Tumors with any degree of decalcification at the initial visit showed no further growth. Overall, poor visual acuity of 20/200 or worse was found in 56% of eyes by 10 years, and decalcified subfoveal choroidal osteomas displayed a particularly poor visual prognosis.

Adolescent↗
PubMed2005

New ophthalmic manifestations of branchio-oculo-facial syndrome.

PURPOSE: To report new ocular manifestations of branchio-oculo-facial (BOF) syndrome. DESIGN: Case report. METHODS: A 10-year-old girl with known BOF syndrome was referred because of a fundus lesion in her left eye. RESULTS: She had undergone excision of a left orbital dermoid cyst at age 18 months and a branchial cleft fistula from the right side of neck at age 4 years. Examination disclosed openings of sinus tracts on each side of the nose connecting the lacrimal sac to skin. In the right eye, an iris pigment epithelial cyst was confirmed with ultrasound biomicroscopy. In the left eye, there was a combined hamartoma of the retina and retina pigment epithelium. CONCLUSION: BOF syndrome can display mild to severe craniofacial, auricular, oral, and ophthalmic anomalies. In this case, the ophthalmic manifestations included lacrimal sac fistula, orbital dermoid cyst, iris pigment epithelial cyst, and combined hamartoma of the retina and retinal pigment epithelium.

Branchio-Oto-Renal Syndrome↗
PubMed2005

Sclerochoroidal calcification in a patient with classic Bartter's syndrome.

PURPOSE: To report sclerochoroidal calcification in a patient with classic Bartter's syndrome. DESIGN: Observational case report. METHODS: A 42-year-old woman with a 26-year history of classic Bartter's syndrome was found to have bilateral fundus tumors. The patient presented initially with quivering lips and hand stiffness at age 6 years but was not diagnosed until age 16 years. Treatment included magnesium and potassium supplementation and Amiloride therapy. RESULTS: On ocular examination, there were multifocal, yellow-white, geographic, solid choroidal lesions along the superior and inferior retinal vascular arcades in both eyes. Ultrasonography showed echogenic, placoid calcified lesions at the level of the sclera and choroid, consistent with bilateral sclerochoroidal calcification. CONCLUSIONS: Sclerochoroidal calcification can be associated with classic Bartter's syndrome.

Adult↗
PubMed2005

Iris melanocytoma: clinical features and natural course in 47 cases.

PURPOSE: To describe the clinical features, natural course, management and histopathologic features of iris melanocytoma. DESIGN: Single-center retrospective case series. METHODS PATIENT POPULATION: Forty-seven consecutive patients (47 eyes) with iris melanocytoma. INTERVENTION PROCEDURE: Data regarding patient and tumor features were analyzed for their impact on the main outcome measures using univariate and multivariate regression models. Kaplan-Meier estimates were used to analyze the main outcomes as a function of time. MAIN OUTCOME MEASURES: Increased intraocular pressure (IOP), tumor seeding, and tumor growth. RESULTS: Associated findings at initial presentation included iris stromal seeds in 20 patients (43%), and anterior chamber angle seeds in 12 (26%). Intrinsic vascularization and sector cataract were not seen in any eyes. The management at presentation included observation in 39 patients (83%), tumor removal by sector iridectomy/iridocyclectomy in 7 (15%), and enucleation for blind painful eye with secondary increased IOP in 1 (2%). The diagnosis was confirmed by histopathologic examination in 11 patients (23%). The mean follow-up was 58 months. Using Kaplan-Meier estimates, clinical evidence of growth was observed in 23% at 5 years, 48% at 10 years, and 74% at 15 years. New tumor seeds developed in 34% at 5 years, 63% at 10 years, and 75% at 15 years. Increased IOP was observed in 11% at 5 years, 11% at 10 years, and 55% at 15 years. CONCLUSIONS: Iris melanocytoma represented only 3% of all iris nevi. Related iris stromal and anterior chamber angle seeds were common, and secondary glaucoma occurred in 11% at 5 years. Growth was observed in 23% at 5 years but no malignant transformation was found.

Adolescent↗
PubMed2005

Expanding MIRAgel scleral buckle simulating an orbital tumor in four cases.

PURPOSE: To describe four patients with an enlarging orbital mass from a swollen MIRAgel scleral buckle that simulated an orbital neoplasm. METHODS: In a retrospective, single-center case series at the Ocular Oncology Service at Wills Eye Hospital of Thomas Jefferson University, 4 eyes of 4 patients were referred for evaluation and treatment of a suspected orbital tumor. RESULTS: The initial presenting features were orbital mass (case 1), strabismus (case 2), and conjunctival mass with orbital extension (cases 3 and 4). Each patient vaguely recalled previous uncomplicated retinal detachment surgery 12 to 20 years earlier. Confirmation of the buckling implant material was made with the retina surgeon in 3 cases. A nontender, forniceal conjunctival mass, deep to the Tenon fascia and appearing as a translucent firm elevation was seen in all 4 cases. Axial CT (case 1) revealed a circumscribed anterior temporal orbital mass, believed to be a large inclusion cyst, 4 times thicker than the nasal scleral buckle. Ocular ultrasonography depicted an echolucent mass in the episcleral region (cases 3 and 4) that was 2 times thicker than the nasal scleral buckle (case 3). Excision was attempted in case 1, but only piecemeal removal was achieved, leading to extensive postoperative inflammation and decreased vision. The other 3 cases were followed conservatively without excision because they were each recognized to be a swollen MIRAgel implant and not an orbital tumor. CONCLUSIONS: MIRAgel scleral buckle material can greatly enlarge over a period of 10 years and simulate an orbital tumor or orbital cyst. Patients often do not recall details of the retinal surgery. Caution is advised regarding excision of this material because it is friable and can lead to extensive postoperative inflammation.

Adult↗
PubMed2005

Conjunctival epithelial involvement by eyelid sebaceous carcinoma. The 2003 J. Howard Stokes lecture.

PURPOSE: To determine incidence and distribution of conjunctival epithelial involvement by eyelid sebaceous carcinoma and to make recommendations regarding its management. METHODS: The medical records were reviewed retrospectively on patients with histopathologically confirmed sebaceous carcinoma of the eyelids managed at the Oncology Service at Wills Eye Hospital. Those tumors with involvement of the conjunctival epithelium were identified and selected for further study. The incidence and distribution of epithelial involvement was determined, based on histopathology of resected tumors and map biopsies. The incidence of metastasis and tumor-related mortality was determined. Based on these findings and personal surgical experience, recommendations are made regarding management of eyelid sebaceous carcinoma with involvement of the conjunctival epithelium. RESULTS: Of 60 patients with sebaceous carcinoma, epithelial involvement of the conjunctiva was identified in 28 (47%). Of the 28 cases, the neoplasm affected the following sites: superior tarsal and fornical conjunctiva in 28 (100%), inferior tarsal conjunctiva in 19 (68%), inferior fornical conjunctiva in 18 (64%), superior bulbar conjunctiva in 19 (68%), and inferior bulbar conjunctiva in 16 (57%). The caruncle was involved in 15 (54%) and the cornea in 11 (39%). Metastasis occurred in 3 of the 28 cases (11%). Map biopsies, combined with cryotherapy, topical chemotherapy, local surgical resection, and orbital exenteration, were used to achieve local control. CONCLUSIONS: Eyelid sebaceous carcinoma was found to exhibit epithelial involvement of the conjunctiva in 47% of cases, predominantly in the superior tarsal and fornical conjunctiva and less often in the inferior tarsal conjunctiva, caruncle, and cornea. Treatment of this condition is challenging, and map biopsy, cryotherapy, topical chemotherapy, and newer surgical methods are being used more often by our group.

Adenocarcinoma, Sebaceous↗
PubMed2005

Local corticosteroid treatment of eyelid and orbital xanthogranuloma.

PURPOSE: To demonstrate the efficacy of local corticosteroid therapy for the treatment of eyelid and orbital xanthogranuloma in adults. METHODS: We performed a retrospective chart review of six patients receiving local triamcinolone acetonide (40 mg/mL) injections for the treatment of eyelid and orbital xanthogranuloma at the University of Michigan. All patients underwent diagnostic biopsy prior to treatment. The effects of this therapy on symptoms and signs of the disease were assessed. RESULTS: All six patients complained of eyelid swelling or nodularity, and five had yellow discoloration of their eyelids. All lesions involved the eyelids and anterior orbit, and five were present bilaterally. Biopsy revealed necrobiotic xanthogranuloma in four patients and adult-onset xanthogranuloma in two patients. Triamcinolone acetonide was administered intralesionally as series of two to 25 injections. Local control was obtained in all six cases, with the reduction of symptoms and signs of the disease in five cases. Two patients with necrobiotic xanthogranuloma developed non-Hodgkin's lymphoma. Average follow-up of patients whose treatment was not truncated by systemic chemotherapy was 52 months (range, 30 to 86 months). No complications occurred as a result of this treatment. CONCLUSION: Intralesional injection of triamcinolone acetonide is an effective, safe treatment for orbital xanthogranuloma in adults. This modality avoids the side effects associated with systemic corticosteroid or cytotoxic agent therapy.

Adult↗
PubMed2004

Erytrocyte membrane anionic charge in type 2 diabetic patients with retinopathy.

BACKGROUND: The Steno hypothesis states that changes in basement membrane anionic charge leads to diabetic microvascular complications. In diabetic nephropathy, loss of basement membrane glycosaminoglycans and the association between glomerular basement membrane heparan sulphate and proteinuria has been documented. A correlation between erythrocyte surface and the glomerular capillary wall charges has also been observed. The aim of this study is to evaluate the relationship between retinopathy and erythrocyte anionic charge and urinary glycosaminoglycan excretion in type 2 diabetic patients. METHODS: 49 subjects (58 +/- 7 yrs, M/F 27/22) with type 2 diabetes with proliferative retinopathy (n = 13), nonproliferative retinopathy (n = 13) and without retinopathy (n = 23) were included in the study. 38 healthy subjects were selected as control group (57 +/- 5 yrs, M/F 19/19). Erythrocyte anionic charge (EAC) was determined by the binding of the cationic dye, alcian blue. Urinary glycosaminoglycan and microalbumin excretion were measured. RESULTS: EAC was significantly decreased in diabetic patients with retinopathy (255 +/- 30 ng alcian blue/10(6) RBC, 312 +/- 30 ng alcian blue/10(6) RBC for diabetic and control groups respectively, p < 0.001). We did not observe an association between urinary GAG and microalbumin excretion and diabetic retinopathy. EAC is found to be negatively correlated with microalbuminuria in all groups. CONCLUSIONS: We conclude that type 2 diabetic patients with low erythrocyte anionic charge are associated with diabetic retinopathy. Reduction of negative charge of basement membranes may indicate general changes in microvasculature rather than retinopathy. More prospective and large studies needs to clarify the role of glycosaminoglycans on progression of retinopathy in type 2 diabetic patients.

Albuminuria↗
PubMed2004

Practical approach to management of retinoblastoma.

OBJECTIVE: To present a simplified approach to management of retinoblastoma using basic clinical features. DESIGN: In a prospective, nonrandomized, single-center clinical trial, 158 eyes of 103 patients with retinoblastoma were managed with 6 cycles of chemoreduction (vincristine sulfate, etoposide, and carboplatin). The eyes were classified according to the Reese-Ellsworth classification and were also grouped on the basis of clinical features as follows: group 1, tumor only; group 2, tumor plus subretinal fluid; group 3, tumor plus focal seeds (3a, focal subretinal seeds; 3b, focal vitreous seeds); group 4, tumor plus diffuse seeds (4a, diffuse subretinal seeds; 4b, diffuse vitreous seeds); and group 5, neovascular glaucoma or invasive retinoblastoma. MAIN OUTCOME MEASURE: Treatment success (avoidance of enucleation and external beam radiotherapy). RESULTS: According to the Reese-Ellsworth classification, chemoreduction was successful in 100% of group Ia, 100% of group Ib, 86% of group IIa, 100% of group IIb, 91% of group IIIa, 100% of group IIIb, 50% of group IVa, 77% of group IVb, 50% of group Va, and 27% of group Vb. There was erratic correlation of the Reese-Ellsworth classification with treatment success. In contrast, the simplified grouping system displayed a smooth, nonerratic correlation for treatment success, with 100% success for group 1, 91% for group 2, 59% for group 3, and 12% for group 4 (group 5 always managed by primary enucleation). When all 6 subcategory groups were analyzed, there was consistent correlation for treatment success of 100% for group 1, 91% for group 2, 68% for group 3a, 54% for group 3b, 17% for group 4a, and 11% for group 4b. CONCLUSION: This practical approach to retinoblastoma using basic clinical features is predictive of treatment success for eyes in which modern conservative therapy for retinoblastoma is used.

Antineoplastic Combined Chemotherapy Protocols↗
PubMed2004

Alexithymic features in migraine patients.

The aims of the present study were 1) to investigate the alexithymic features in migraine patients and, 2) if alexithymia has any relation with the results of other psychological scales that are widely used in clinical practice to describe the psychopathologies, such as depression and anxiety. Demographic and clinical data of 50 cases with migraine without aura and 50 normal volunteers were supplied. All cases completed the Beck Depression Inventory, Hamilton Depression Rating Scale, State and Trait Anxiety Inventory and Toronto Alexithymia Scale. Migraine patients were significantly more depressive, anxious and alexithymic than the control group; there was no correlation between TAS scores and demographic variables; not depression but anxiety was significantly correlated with alexithymia in the migraine group, whereas none of the scores were found to be related to alexithymia in controls. According to our results, alexithymia is a frequent finding in migraine patients and is associated with anxiety to a considerable extent but not with depression.

Adolescent↗
PubMed2004

Clinical survey of 1643 melanocytic and nonmelanocytic conjunctival tumors.

OBJECTIVE: To report the spectrum and frequency of melanocytic and nonmelanocytic conjunctival tumors in an ocular oncology practice. DESIGN: Retrospective noninterventional case series. PARTICIPANTS: One thousand six hundred forty-three consecutive patients with a conjunctival mass evaluated at an ocular oncology department. METHODS: A chart review was conducted to obtain the clinical features of the patient and tumor and to tabulate and categorize the diagnoses. MAIN OUTCOME MEASURES: Tumor diagnosis overall and relative to patient age, race, and gender and relative to tumor location and laterality. RESULTS: In 1643 consecutive patients, the tumor was classified as melanocytic in 872 cases (53%) and nonmelanocytic in 771 cases (47%). The nonmelanocytic categories included congenital choristomatous (n = 40 [2%]), epithelial (n = 219 [13%]), vascular (n = 63 [4%]), fibrous (n = 7 [<1%]), neural (n = 1 [<1%]), xanthomatous (n = 1 [<1%]), myxomatous (n = 1 [<1%]), lipomatous (n = 23 [1%]), lacrimal gland origin (n = 12 [<1%]), lymphoid (n = 128 [8%]), leukemic (n = 3 [<1%]), metastatic (n = 13 [<1%]), secondary (n = 54 [3%]) tumors, and non-neoplastic lesions simulating a tumor (n = 206 [13%]). Of the 872 melanocytic lesions, the specific tumor diagnosis was nevus in 454 cases (52%), melanoma in 215 (25%), and primary acquired melanosis in 180 (21%). Patients with choristomatous, vascular, fibrous, xanthomatous, and myxomatous tumors presented at a mean age of <40 years, and those with malignant epithelial, lipomatous, leukemic, and secondary tumors presented at a mean age of >60. Of the 219 patients with epithelial tumors, 80% occurred in males, whereas the incidence of melanocytic lesions was equal in males and females. African-American patients represented only 7% of epithelial tumors, <1% of melanomas, and 8% of lymphoid tumors. CONCLUSION: Conjunctival tumors were of melanocytic origin in 53% of cases and nonmelanocytic origin in 47%. Overall, melanocytic tumors, epithelial tumors, and lymphoid tumors accounted for 74% of all cases. These tumors were far more common in Caucasian patients, and epithelial tumors were found more frequently in men.

Adolescent↗
PubMed2004

Melanocytoma of optic disc in 115 cases: the 2004 Samuel Johnson Memorial Lecture, part 1.

PURPOSE: To report clinical variations and the natural course of melanocytoma of the optic disc. PATIENTS AND METHODS: A retrospective study was conducted on a consecutive series of patients with melanocytoma of the optic disc who were evaluated at the Ocular Oncology Service at Wills Eye Hospital. Demographic information and variations in appearance and size of the tumor and local ocular complications were noted. Frequency of tumor growth and malignant transformation was recorded. Clinical factors, including patient data and tumor features, were analyzed for their impact on visual acuity loss of 2 or more Snellen lines and the tumor growth, using Cox proportional hazards regression models. Kaplan-Meier survival estimates of probability of visual acuity loss of 2 or more Snellen lines and probability of tumor growth were performed as a function of time from the initial examination. MAIN OUTCOME MEASURES: Visual acuity loss of 2 or more Snellen lines, tumor growth, and malignant transformation of the tumor. RESULTS: There were 115 patients (116 eyes) with melanocytoma of the optic disc. The mean age at diagnosis was 50 years; 38% of patients were male and 62% of patients were female; 65% of patients were white, 29% of patients were African American, and 6% of patients were Asian, Hispanic, Indian, or Arabic. The lesion was unilateral in 99% of patients. Visual symptoms that seemed to be related to the melanocytoma were present in 24% of patients, and an afferent pupillary defect was noted in 9% of patients. Associated ocular abnormalities included ocular melanocytosis (8%), racial melanosis (7%), optic nerve hypoplasia (2%), and retinitis pigmentosa (1%). The melanocytoma was dark brown to black in 100% of patients. The mean tumor diameter was 2 mm and the mean thickness was 1 mm. Associated findings included a choroidal component (54%), retinal component (30%), optic disc edema (25%), retinal edema (16%), localized subretinal fluid (14%), retinal exudation (12%), retinal hemorrhage (5%), vitreous seeds (4%), and retinal vein obstruction (3%). Fluorescein and indocyanine green angiography typically showed persistent hypofluorescence of the lesion. Using Kaplan-Meier survival curves, related visual loss occurred in 18% of patients by 10 years, and minor tumor enlargement occurred in 11% of patients by 5 years and in 32% of patients by 10 years. Malignant transformation was documented in 2 patients (2%). CONCLUSIONS: Although melanocytoma of the optic disc generally is considered to be a benign, stationary lesion, it can produce several local complications, can cause visual loss, can grow slowly, and, rarely, can undergo malignant transformation into melanoma. Patients with optic disc melanocytoma should undergo periodic ocular examination.

Adolescent↗
PubMed2004

Sebaceous carcinoma of the eyelids: personal experience with 60 cases.

OBJECTIVE: To describe clinical features, management, and prognosis of sebaceous carcinoma of the eyelid and adjacent structures. DESIGN: Single-center retrospective interventional case series. PARTICIPANTS: Sixty consecutive patients with sebaceous carcinoma of the eyelid and adjacent structures. METHODS: Retrospective chart review and literature review. MAIN OUTCOME MEASURES: Presenting features, sites of origin, location, growth patterns, management, histopathologic findings, incidence of recurrence, metastasis, and mortality. RESULTS: The median age at referral was 72 years, with 73% female. Four patients had prior irradiation to the area where the sebaceous carcinoma developed. Initial clinical diagnoses elsewhere were sebaceous carcinoma (32%), blepharoconjunctivitis (25%), chalazion (20%), basal cell carcinoma (13%), and squamous cell carcinoma (10%). Initial histopathologic diagnoses elsewhere were sebaceous carcinoma (50%), squamous cell carcinoma (18%), basal cell carcinoma (8%), and others or not available (24%). Initial anatomic sites were upper eyelid (75%), lower eyelid (22%), caruncle (2%), and bulbar conjunctiva (2% [1 case]). Orbital exenteration was necessary in 13%. Recently introduced techniques of posterior lamellar resection of the eyelids with reconstruction (7%) hopefully will decrease this incidence in the future. Pathologically, 47% showed intraepithelial (pagetoid) involvement, 27% of sebaceous carcinomas arose from the meibomian glands, and 18% arose from both meibomian and Zeis glands. Local recurrence developed in 18%, metastasis in 8%, and death from metastasis in 6%. CONCLUSIONS: Despite the fact that the clinical features of sebaceous carcinoma have been widely reported, the diagnosis was suspected initially in only 32% of patients at first examination elsewhere and in only 50% at histopathologic examination elsewhere. Orbital exenteration was necessary in 13%, mostly patients seen in the earlier years of the study. With more recently employed treatment methods, there is a tendency to avoid exenteration and to use more conservative methods of treatment. It is hoped that these modern therapeutic approaches will result in fewer cases of recurrence and metastasis.

Adenocarcinoma, Sebaceous↗