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J C Janser

Publications and source records attributed to J C Janser.

At least 19 recordsLinked to original sources
PubMed1994

[Cuniculatum carcinoma. 6 cases and review of the literature].

The cuniculatum carcinoma is a rare type of epidermoid carcinoma. We report 6 cases with different localizations ("oral cavity and larynx", vulva, lower limb) treated over a 23-year period. Diagnosis is particularly difficult and requires careful clinical examination completed by deep surgical biopsy for histology. The aetiology of the tumour is not well defined. It presents as a slow growing wart with local malignancy and chronic suppuration. Extension to lymph nodes is rare. Histologically there is proliferative deep malpighian infiltration with an aspect of normal cell maturation. Galeries are hollowed out giving the aspect of a rabbit burrow (cuniculatum). Surgery is the only treatment, generally without lymph node curage. Radiotherapy is contraindicated due to anaplastic transformation.

Adolescent↗
PubMed1993

Influence of mastectomy techniques on estrogen and progesterone receptor analysis in carcinoma of the breast.

Gradual tumor tissue devascularization during mastectomy is thought to decrease estrogen (ER) and progesterone (PgR) receptor activity. To determine whether or not hormone receptor values could be influenced by different mastectomy techniques, 62 patients with carcinoma of the breast had a Tru-cut needle (Baxter Healthcare Corporation) biopsy (premastectomy sample) and underwent modified radical mastectomy (postmastectomy sample) either before (group 1, 40 patients) or after (group 2, 22 patients) axillary lymph node dissection. When the two surgical procedures were compared in 33 patients in whom it could be assessed, no significant tendency (p = 0.51 for ER and p = 0.36 for PgR) for the postmastectomy sample to have hormone receptors levels less than samples taken at biopsy was detected. Overall, in the two groups (44 assessable patients), comparison with respect of each patient, between premastectomy and postmastectomy samples showed that the variations in either ER or PgR receptor values, determined by immunoenzymatic assays, were not statistically significant (p = 0.32 for ER and p = 0.21 for PgR). The current results indicated the relative stability of steroid receptors during the two modified radical mastectomy procedures and suggested that a systematic reference determination of hormone receptors on biopsy before modified radical mastectomy is unnecessary.

Aged↗
PubMed1993

[Insular carcinoma of the thyroid. Apropos of a case and review of the literature].

We present a new case report of "Insular" thyroid carcinoma. The first series was published, in 1984, by Carcangiu et al. The propensity for local recurrence and early distant metastases explains the poor prognosis of this carcinoma and demands aggressive therapy at the time of diagnosis. This includes radical surgery, radiotherapy with possible chemotherapy. Clinical and pathological arguments suggest that this carcinoma could be an intermediate stage in the process of loss of differentiation of some thyroid neoplasms.

Carcinoma↗
PubMed1993

[Malignant hemangioendothelioma of the thyroid. Pathologic study of a case].

The authors report a case of malignant tumor of the thyroid in a 79 years old woman with a long standing goiter for 20 years but who did not live in endemic mountainous goiter area. The right lobe of the thyroid was surgically removed in February 1992 because increasing in size. Pathologic diagnosis was non malignant cystic lesion. Two months later, a recurrence with dyspnea urged a tracheostomy. The patient died 9 days later because of intra bronchial and pleura hemorrhage. The morphological and immuno-histochemical investigations showed angiosarcomatous features and positive reactivity with Factor VIII and UEA 1 markers in the tumour and pulmonary metastases. The diagnosis of Malignant hemangio-endothelioma was concluded.

Aged↗
PubMed1992

Radical surgery and conservative treatment of ductal carcinoma in situ of the breast.

70 cases of strictly intraductal breast carcinoma were treated from January 1975 to December 1987. 34 patients underwent radical modified mastectomy, and 36 patients had local excision (2), lumpectomy (26) or quadrantectomy (8), with a complementary irradiation in 34/36 cases (with boost in 32). The main histological subtype is comedocarcinoma (25/70). One local relapse (3%) is noted in radical surgery group at 55 months. 3 local relapses (9%) are noted in conservative treatment group, respectively at 27, 48 and 52 months. The obvious factor influencing the local recurrence is the inefficient surgical excision. Since breast screening programs may lead to early duct carcinoma in situ identification, our results suggest that appropriate conservative surgery associated to radiation therapy could be an adequate alternative to mastectomy in the treatment of this in situ lesion.

Adult↗
PubMed1992

[Ovarian metastases from colorectal cancers. Current place of prophylactic bilateral ovariectomy].

Ovarian metastases occur in the course of colorectal adenocarcinomas on 3 to 14% of cases. They are bilateral in 50-70% of cases and frequently occult (6 to 25%) and constitute a factor of poor short-term prognosis (median survival: 18 months). After analysing the features of ovarian metastases from colorectal cancers, the authors discuss the current place of prophylactic bilateral oophorectomy in terms of its indications and results. Although this procedure should clearly be performed routinely in postmenopausal patients, it is more controversial in women of reproductive age who, according to some authors, nevertheless constitute a group at high risk of ovarian metastases. The contribution of this prophylactic oophorectomy to the improvement in the prognosis of colorectal neoplasms has not been statistically established to date and needs to be demonstrated by means of prospective studies.

Colorectal Neoplasms↗
PubMed1992

[Treatment of the pelvis after total pelvic exenteration. Experience of the Regional Paul Strauss Cancer Center of Strasbourg].

Intestinal morbidity after total pelvic exenteration presents usually as fistulae. These appear particularly if irradiation has been carried out in the pelvis or the abdomen before surgery, and particularly as a result of the types of surgery carried out in the emptied pelvis. An analysis of 92 exenterations of the pelvis of which 52 were total exenterations led us to look at how treatments in the pelvis have evolved technically and to analyse the contribution they have made to reducing the number of fistulae and obstructions found as a result of this major surgery. Making a "sac" by packing the pelvis as suggested by the pioneer of this exceptionally extensive pelvic surgery gradually has been replaced by the use of endogenous material such as the omentum and more recently by the use of absorbable synthetic materials (vicryl) which give rise to progressive reperitonealisation. The authors approve of this last way of dealing with the emptied pelvic cavity because the synthetic material is very well tolerated clinically and the polyglactine 910 mesh is not predisposed to infection when it is used to make a hammock to prevent chronic radiation enteritis by holding the small intestines out of the pelvis.

Cancer Care Facilities↗
PubMed1992

[Latissimus dorsi myocutaneous flap closure in mastectomies after chemotherapy of advanced and progressive breast cancers].

A latissimus dorsi myocutaneous flap now appears to be the best solution to closing large carcinological exeresis of the breast. After an analysis of a series of 14 cases of advanced cancer (T3 or T4) or of progressive cancers (PeV3) of the breast treated by inductive chemotherapy and which underwent surgery at the Strasbourg CRLCC (France), the authors stress the simplicity and reliability of the method, which can make it possible to carry out an extensive and complete exeresis, which is of primordial importance in the control of the local tumor. Its excellent trophic quality made it possible to start radiochemotherapeutic adjuvant treatments rapidly. The other methods (myocutaneous flap of the rectus abdominis, Kiricuta's epiploic flap, neighboring autoplasties) now persist only in cases of advanced breast tumor in which the greater dorsal flap is contraindicated.

Adult↗
PubMed1991

Prevention of radiation enteritis by an absorbable polyglycolic acid mesh sling. A 60-case multicentric study.

Radiation-induced small bowel injury is a limiting factor to postoperative tumoricidal pelvic doses exceeding 4500 to 5000 cGy. Data from a review of the literature showed the inadequacy of medical measures and the bad reproducibility of radiation therapeutic attempts to decrease small intestine damage. Recent studies cited the benefit of a polyglycolic acid mesh to create an absorbable intestinal sling and suspend the loops above the pelvic radiation field. In 60 cases of gynecologic and rectal malignancies with a surgical intestinal morbidity of 8.3% (5 cases), the rate of radiation enteritis was 7% (4 cases) with an average follow-up of 17.8 months (range, 1 to 57 months). The quality of small intestinal elevation and the absence of loop herniation were demonstrated by the barium index. Magnetic resonance imaging was used for checking the polymer polyglycolic acid mesh position and its complete resorption at the third to fifth postoperative month. The authors conclude that this new procedure is safe in selected patients with high pelvic recurrence risk after optimal surgery, in residual disease after debulking surgery, or at the time of exploration for unresectable pelvic tumors. Clinical studies are ongoing to evaluate the long-term efficacy of this surgical technique to prevent chronic radiation enteropathy and improve locoregional control in advanced pelvic carcinomas.

Adult↗
PubMed1991

[Role of total thyroidectomy in the treatment of multinodular goiter].

Although it may seem to be excessive, total thyroidectomy has recently been advocated by several authors for the treatment of diffuse multiheteronodular goiters. As a complement to a recent study on the thyroid function following thyroidectomy for benign goiters, the authors specify the role of this surgical technique, which had been reserved for the sole thyroid neoplasms for a long time. On the occasion of the presentation of a series of 75 cases gathered from 1989 to 1990, the justification of glandular resection is based on the publication of new pathogenetic data and on the absence of any increase in morbidity, subject to precise indications and to a strict technique aimed at preserving recurrents and locating the parathyroid glands while maintaining their vasculature. When aimed at reducing the frequency of recurrence of euthyroid and toxic diffuse multinodular goiters, total thyroidectomy might also contribute in reducing the morbidity of second surgery, at the expense of a permanent substitution therapy. While the choice of its indications must remain eclecty, thelong-term consequences of initial surgery with too restricted glandular exeresis must be recognized.

Adult↗
PubMed1991

[The value of peritoneal cytology in invasive uterine cancers. Analysis of 80 cases].

When they analysed 80 cancers of the uterus, the authors showed how valuable it was both for diagnosis and prognosis to carry out cytological lavage of the peritoneum, particularly in cases of endometrial adenocarcinoma. The results of this study are compared with recent extracts appearing in the international literature. This technique makes it possible to identify groups of patients of high risk for recurrences in the pelvis and abdomen who would benefit from adjuvant therapies, demonstrating that this technique is applicable to the diagnosis of gynaecological cancers with intraperitoneal spread which have long been failed to be recognised. The procedure is innocuous and simple and therefore should be carried out widely in the management of uterine cancers.

Adenocarcinoma↗
PubMed1991

[Surgical removal of diaphragmatic metastasis of advanced ovarian cancer. Review of the literature].

Many studies have established the close relationship between the survival and the residual tumoral volume after a first maximal cyto-reducing surgery. In that light, the surgical exeresis of the metastatic lesions should facilitate the response to chemotherapy. In this respect, the diaphragm metastases of ovarian cancers prove to be worthy of the highest interest due to the difficulty of their surgical approach. Several techniques for the exeresis of these secondary peritoneal localizations have been reported, using various processes (electrocoagulation, laser vaporization, classic surgical exeresis) and more recently, the ultrasound dissector. After a review of the literature on 43 cases, the authors draw the attention on the approach and surgical exeresis methods for these metastases. If these techniques prove to be quite feasible, with an acceptable morbidity rate, only a great hindsight, together with more observations, will enable the assessment of the benefit in terms of survival.

Diaphragm↗
PubMed1990

[Tamoxifen and endometrial adenocarcinoma].

The authors report a case of endometrial carcinoma treated with tamoxifen introduced after normal initial uterine curettage. Based on recent experimental and clinical data, the importance of a gynecological follow-up in anti-estrogen therapy is emphasized.

Adenocarcinoma↗
PubMed1990

[Functional cervical lymph node excision with section of the sternocleidomastoid muscle].

Based on 7 cases, the authors update the low section and subsequent suture technique of the sternocleidomastoid muscle in conservative cervical lymphadenectomy, principally for differentiated thyroid cancer. Due to the good exposure obtained, this technique permits functional clearance with excellent visualisation of the structures to be preserved and is associated with very minor functional sequelae. A review of the literature confirms the perfect feasability and reproducibility of this technique and justifies its use from a cosmetic viewpoint.

Adult↗