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Biomedical subjects

R Romiti

Publications and source records attributed to R Romiti.

At least 19 recordsLinked to original sources

Rosacea fulminans triggered by high-dose vitamins B6 and B12.

Rosacea fulminans is a rare variant of rosacea conglobata that occurs almost exclusively in women well past adolescence. The aetiology is unknown, although immunological, hormonal, and vascular factors have been suggested. We report the case of a 17-year-old girl with rosacea fulminans that was temporally associated with daily ingestion of high-dose vitamin B supplements. The onset was sudden and cosmetically disabling. The eruption improved when the vitamin supplement was discontinued and a therapeutic regimen including isotretinoin and methylprednisolone was introduced. It seems appropriate to consider the possibility of such a vitamin B-triggered condition in cases of subjects presenting new or exacerbating facial eruptions.

Adolescent↗

Extensive partial unilateral lentiginosis.

Partial unilateral lentiginosis is a rare pigmentary disorder characterized by multiple lentigines on otherwise normal skin affecting one side of the body. The histology is that of a lentigo. We report two young men with an extensive form of partial unilateral lentiginosis affecting the skin. No systemic abnormalities could be identified.

Adult↗

Superior vena cava syndrome presenting as persistent erythematous oedema of the face.

The superior vena cava syndrome occurs when extrinsic compression or intraluminal occlusion impedes blood flow through this vessel. Detecting the characteristic cutaneous features can lead to an early diagnosis of this condition. We report a 73-year-old patient with a 4-year-history of erythematous oedema of the face. The underlying cause was a large retrosternal goitre obstructing the superior vena cava. Subtotal thyroidectomy led to dramatic improvement of all dermatologic symptoms.

Aged↗

Epidermal naevus with Darier's disease-like changes in a patient with Gardner's syndrome.

We describe the unique presentation of a linear epidermal nevus with histologic features of Darier's disease occurring in a patient with Gardner's syndrome. Classification of localized forms of Darier's disease as an epidermal nevus or as a genetic mosaicism remains controversial. The association of this disorder with Gardner's syndrome has not been described in the literature before.

Adult↗

Encephalocraniocutaneous lipomatosis: a new case report and review of the literature.

Encephalocraniocutaneous lipomatosis is a rare neurocutaneous syndrome characterized by lipomatous hamartomas ranging in size from a few millimeters to several centimeters and affecting the head. Ocular anomalies and a variable degree of mental retardation with or without convulsions are usually observed. This disorder should be distinguished from other mosaic neurocutaneous phenotypes such as Proteus syndrome, oculocerebrocutaneous syndrome, and nevus sebaceous syndrome. We report the clinicopathologic findings of a 4-year-old Brazilian girl affected by this syndrome and review the literature. To our best knowledge, this is the first documented case of encephalocraniocutaneous lipomatosis occurring sporadically in South America.

Child, Preschool↗

Atypical disseminated cutaneous histoplasmosis in an immunocompetent child, caused by an "aberrant" variant of histoplasma capsulatum var. capsulatum

A case of atypical disseminated cutaneous histoplasmosis in a five-year old, otherwise healthy child, native and resident in Sao Paulo metropolitan area is reported. Cutaneous lesions were clinically atypical. Histologic examination disclosed a granulomatous reaction but no fungal structures could be demonstrated by specific staining nor by immunohistochemical reaction. The fungus was isolated from biopsy material on two different occasions, confirming diagnosis of an unusual fungal infection. The fungus, originally thought to be a Sepedonium sp. due to the large sized, hyaline or brownish colored tuberculated macroconidia and to lack of dimorphism (yeast form at 37 degrees C) produce H and M antigens, visualized by the immunodiffusion with rabbit anti-Histoplasma capsulatum hyperimmune serum. Patient's serum sample was non reactive with H. capsulatum antigen by immunodiffusion, counterimmunoelectrophoresis and complement fixation tests, and immunoenzymatic assay failed to detect the specific circulating antigen. This serum was tested negative by double immunodiffusion when antigen obtained from one of the isolated samples was used. Both cultures were sent to Dr. Leo Kaufman, Ph.D. (Mycoses Immunodiagnostic Laboratory, CDC-Atlanta/USA), who identified them as H. capsulatum by the exoantigen and gen-probe tests. Both clinic and mycologic characteristics of the present case were atypical, suggesting the fungus isolated is an "aberrant variant" of H. capsulatum var. capsulatum, as described by SUTTON et al. in 1997. Treatment with itraconazole 100 mg/day led to cure within 90 days

Journal Article↗

Multinucleate cell angiohistiocytoma.

Multinucleate cell angiohistiocytoma (MCA) is a benign fibrohistiocytic vascular tumor affecting predominantly the acral sites in elderly women. The disorder is often confused clinically and histologically with Kaposi's sarcoma. We report the case of a 63-year-old woman with MCA and describe the main clinical and histopathologic features of this disorder.

Biopsy, Needle↗

Blood cellular and biochemical changes after extracorporeal shock wave lithotripsy.

The present study deals with blood cell behaviour and related hematochemical changes occurring in man after exposure to extracorporeal shock wave lithotripsy (ESWL). The following parameters have been investigated, before and after treatment, in a longitudinal study carried out on 58 patients of our Center: RBC count, Ht, Blood Hb, Plasma Hb, autohemolysis after 72 hours, bilirubinemia, WBC count, platelet count, in vitro platelet aggregation, beta-TG, sideremia and urinary post-exposure transferrin concentration. After exposure to ESWL, with pulse numbers ranging from 350 to 3,000, 18-20 KV, direct and indirect evidences of hemolysis have been found when number of SW exceeded 1,000. The hemolysis rate in different models of in vitro exposure to ESWL of blood samples was also investigated. Increase of WBC count, and changes of the platelet in vitro aggregation patterns were also observed. Changes in sideremia values have been related to urinary loss of transferrin.

Blood Cell Count↗

Treatment of molluscum contagiosum with potassium hydroxide: a clinical approach in 35 children.

Potassium hydroxide (KOH) is a strong alkali that has long been known to digest proteins, lipids, and most other epithelial debris of skin scrapings to identify fungal infections. To our knowledge, KOH has never been used for the treatment of molluscum contagiosum (MC). We evaluated 35 children with MC for the clinical effectiveness of treatment with topical 10% KOH aqueous solution. The solution was applied by the parents of affected children, twice daily, on each MC lesion. The therapy was continued until all lesions underwent inflammation and superficial ulceration. Thirty-two of 35 patients achieved complete clinical cure after a mean treatment period of 30 days. Three children discontinued treatment: two reported severe stinging of the lesions and refused further applications; the other, with giant MC lesions, developed a secondary infection with prolonged treatment. Therapy with KOH was found to be effective and safe in the treatment of MC in children.

Adolescent↗