Results 161 to 170 of about 12,085 (217)

Malignant feminizing leydig cell tumor

Journal of Surgical Oncology, 1984
AbstractA patient with a feminizing malignant Leydig cell tumor is presented. Hormonal assays revealed increased production of prolactin, estradial, and total estrogens. Eleven years after the onset of his disease he remains clinically well.
Charles M Shapiro
exaly   +3 more sources

Enucleation for Prepubertal Leydig Cell Tumor

Journal of Urology, 2006
Leydig cell tumors in children are rare, comprising only 4% to 9% of all primary testis tumors in prepubertal males. Almost all of these boys present with isosexual precocious pseudopuberty associated with increased testosterone, low gonadotropin levels and a testis mass. We present our experience with testis sparing enucleation of Leydig cell tumor in
Atif A Ahmed, A Barry Belman, H Gil Rushton   +2 more
exaly   +3 more sources

Leydig cell tumor and hyperplasia: a review.

Analytical and quantitative cytology and histology, 2007
We describe the role of Leydig cells in normal, hyperplastic and neoplastic testis. Recent acquisitions on etiology and pathobiology of Leydig cell proliferations, unusual microscopic presentations and clinical and morphologic features predictive of malignancy are reported.
M. Colecchia, M. Nistal, P. Gonzales Peramato, L. Carmignani, R. Salvioni, N. Nicolai, J. Regadera   +6 more
openaire   +4 more sources

Conservative Surgical Therapy for Leydig Cell Tumor

Journal of Urology, 2007
Purpose: We performed a long-term evaluation of conservative surgical treatment of benign Leydig cell tumor. Materials and Methods: A multicenter retrospective clinical study was performed at 6 European centers.
Luca Carmignani, Renzo Colombo, Juan Palou   +2 more
exaly   +2 more sources

Leydig cell tumor of testis

Urology, 1979
In adult patients with Leydig cell tumor of the testis, endocrinologic signs occur in 30 per cent of the cases and often precede the onset of a palpable testicular mass. Gynecomastia is the most common endocrinologic manifestation and probably is due to increased estrogen secretion by the Leydig cells.
A A, Caldamone, V, Altebarmakian, I N, Frank, C A, Linke   +3 more
openaire   +2 more sources

Sertoli-Leydig cell tumor

Archives of Gynecology and Obstetrics, 2001
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.
T, Lantzsch, S, Stoerer, K, Lawrenz, J, Buchmann, H G, Strauss, H, Koelbl   +5 more
openaire   +2 more sources

INSL3 Expression in Leydig Cell Hyperplasia and Leydig Cell Tumors

Applied Immunohistochemistry & Molecular Morphology, 2019
Insulin-like 3 (INSL3) is a hormone produced by Leydig cells (LCs) and leads to physiological testicular descent during embryonic development. We investigated the expression of INSL3 by immunohistochemistry in normal LCs, in Leydig cell tumor (LCT) (n=17 including 15 testes and 2 ovaries) and in Leydig cell hyperplasia (LCH) (n=10).
Nelli S, Lakis, Kara A, Lombardo, Shamlal, Mangray, George J, Netto, Daniela, Salles, Andres, Matoso   +5 more
openaire   +2 more sources

Long-Term Follow-Up Using Testicle-Sparing Surgery for Leydig Cell Tumor

Clinical Genitourinary Cancer, 2013
Background: Our objective was to perform a long-term evaluation of conservative surgical treatment of Leydig cell tumors. Patients and Methods: A multicenter retrospective clinical study was performed at 6 European centers.
Giorgio Bozzini, Renzo Colombo, Luca Carmignani   +2 more
exaly   +2 more sources

Leydig Cell Tumor: Estradiol Level at Different Locations

Journal of Urology, 1994
The authors report on estradiol levels at different locations in a patient with a Leydig cell tumor. The highest value was found in the testicular vein.
François X Wese, Paul J Van Cangh
exaly   +2 more sources