Biomedical subjects

T Lantzsch

Publications and source records attributed to T Lantzsch.

5 recordsLinked to original sources

PubMed2002

Lymphatic mapping of sentinel nodes in early vulvar cancer.

OBJECTIVE: The aim of the study was to determine the diagnostic accuracy and feasibility of sentinel lymph node (SLN) detection using a gamma probe in patients suffering from vulvar cancer. METHODS: From May 1998 to November 2000, 26 patients with early vulvar cancer, planned for local wide excision or vulvectomy including groin dissection, were eligible for the study. Two to 3 h before the planned procedure we injected technetium(99) m-labeled microcolloid intradermally at four locations around the tumor. Dynamic and static images were recorded using a gamma camera. SLN locations were marked on the overlying skin. In the operating theater SLNs were identified at the beginning of the procedure using a handheld gamma-detection probe. After resection of suspected SLNs a standard unilateral or bilateral groin dissection was performed, subsequently followed by local wide excision or, if indicated, radical vulvectomy. Sentinel node detection using technetium(99) m-labeled microcolloid was compared with final histopathological and immunohistochemical results. RESULTS: Scintigraphy showed focal uptake in all 26 patients. Intraoperatively we detected all sentinel nodes by handheld gamma probe. In 20 patients, one sentinel node was identified unilaterally, while in 6 patients two or more nodes were identified bilaterally. Histologically positive SLNs were found in 9 patients. In our preliminary series we did not find any false-negative SLN. CONCLUSION: Identification of sentinel nodes in vulvar cancer is feasible with preoperatively administered technetium(99)m-labeled microcolloid. We confirm the results of previous studies and improve the evidence that the SLN procedure could be implemented in future therapy concepts.

Adult↗

PubMed2001

Sentinel node procedure in Ib cervical cancer: a preliminary series.

The aim of this study was to determine the diagnostic accuracy and feasibility of sentinel lymph node (SLN) detection using a gamma probe in patients with Figo IB cervical cancer. Between January 1999 and September 2000, 14 patients with cervical cancer, planned for radical hysterectomy were eligible for the study. The day before radical hysterectomy we injected technetium(99)m-labelled nanocolloid in each quadrant of the cervix. Dynamic and static images were recorded using a gamma camera. SLNs were identified intraoperatively using a handheld gamma-detection probe. After resection of SLNs a standard radical hysterectomy with pelvic lymph node dissection was performed. Patients and tumour characteristics were compared with sentinel node detection and with final histopathological and immunohistochemical results. Scintigraphy showed focal uptake in 13 of the 14 patients. Intraoperatively we detected 26 sentinel nodes by gamma probe. In 8 of 13 patients, one or more sentinel nodes were identified unilaterally, in 5 women bilaterally. Histologically positive SLNs were found in only 1 patient. We did not find any false-negative SLN in our series. In conclusion identification of sentinel nodes in cervical cancer is feasible with preoperatively administered technetium(99)m-labelled nanocolloid. A larger series will be required to establish sentinel node detection in cervical cancer for further therapy concepts and planning.

Adenocarcinoma↗

PubMed2001

Sertoli-Leydig cell tumor.

Sertoli-Leydig cell tumors belong to the group of sex-cord stromal tumors of the ovary. They account for less than 0,5% of all ovarian neoplasms. The majority of these tumors are benign, and almost all are localised unilaterally. Herewith, we describe an ovarian Sertoli-Leydig cell tumor in an 11-year-old girl. Serum levels of estradiol and progesterone were mildly elevated. while testosterone and androstendion levels were raised to around three- and sevenfold upper normal limit respectively on presentation. A left salpingo-oophorectomy was performed. Microscopically, the tumor was intermediately differentiated. At 6 months follow-up, there was neither clinical nor sonographical evidence of recurrence, and almost all sex hormone levels had returned to within normal range. Treatment of this pathological entity has to be individualized according to patient age, stage of tumor and degree of differentiation.

Androstenedione↗

PubMed2001

Sacrospinous ligament fixation for vaginal vault prolapse.

INTRODUCTION: To assess intra- and postoperative complications and to look for long term follow-up results in women with sacrospinous ligament fixation. METHODS: Between 1988 and 1999, 200 women (mean age 59.8 years, range 33 to 83 years) underwent vaginal unilateral sacrospinous ligament fixation. 172 patients had had prior hysterectomy. In 28 patients concomitant hysterectomy and sacrospinous ligament fixation was performed. Sacrospinous ligament fixation was combined with the following procedures: 109 enterocele repairs (54.5%), 88 anterior colporrhaphies (44%), 57 reconstructions of urogenital diaphragma (28.5%) and 23 posterior colporrhaphies (11.5%). Additional Burch colposuspension and a Stamey procedure were carried out in 7 (3.5%) and 15 (7.5%) patients, respectively. RESULTS: All 200 patients were analysed for intra- and postoperative complications. Urinary tract infection (n = 16, 8.0%), temporary irritation of the sciatic nerve (n = 15, 7.5%), temporary partial ureteral obstruction (n = 11, 5.5%) and blood loss less than 400 ml (n = 7, 3.5%), occurred in the postoperative phase. Long-term data (range from 6 months to 9 years, mean 4.8 years) exist for 123 patients. 119 were completely cured without any signs of urinary incontinence and prolapse. At follow-up 4 patients (3.25%) showed recurrent vaginal vault prolapse. Recurrent cystoceles, rectoceles, enteroceles, were found in 10 cases (8.1%), one (0.8%) and one (0.8%), respectively. Two patients with complete recurrence of vaginal vault prolapse successfully underwent colpectomy and repeated sacrospinous ligament fixation, respectively. CONCLUSIONS. Sacrospinous ligament fixation is an effective and safe procedure with a low recurrence and complication rate.

Adult↗

PubMedDate not supplied

Transforming growth factor beta 1 serum levels in patients with preinvasive and invasive lesions of the breast.

Transforming growth factor beta (TGF-beta)1 is thought to be involved in breast carcinogenesis. TGF-beta1 acts in an antiproliferative manner in the early stages of breast carcinogenesis, but promotes tumor progression and metastases in the advanced stages of the disease. No data have been published on serum TGF-beta1 in breast cancer. We investigated TGF-beta1 serum levels in patients with breast cancer (n=135), ductal carcinoma in situ (DCIS) I to III (n=67) or fibroadenoma (n=35), and in healthy women (n=40) to determine its value as a differentiation marker between malignant, pre-invasive and benign diseases and as a predictive marker for metastatic spread. Median (range) TGF-beta1 serum levels in patients with breast cancer, DCIS I-III or benign breast lesions and in healthy women were 48.8 (18-82.4) pg/mL, 45.3 (26.9-58.3) pg/mL, 47.2 (17.2-80.5) pg/mL and 51.6 (30.9-65.1) pg/mL, respectively (p=0.2). In breast cancer patients TGF-beta1 serum levels showed no statistically significant correlation with tumor stage, lymph node involvement, histological grade, estrogen receptor status and progesterone receptor status. Our data fail to indicate any correlation between serum TGF-beta1 levels and clinicopathological parameters of breast diseases. Serum TGF-beta1 levels do not provide clinical information in addition to established tumor markers.

Adult↗