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[Gynecomastia and Leydig cell tumor]
M Catalá Bauset1, J Girbes Borrás, R Carmena-Ramón
1Servicio de Endocrinología, Hospital Clínico Universitario, Valencia.
Anales De Medicina Interna (Madrid, Spain : 1984)
|March 1, 1997
Summary
Leydig cell tumors can cause gynecomastia due to estrogen production. Diagnosis is aided by testicular echography, with surgical removal resolving symptoms.
Area of Science:
- Endocrinology
- Oncology
- Urology
Background:
- Leydig cell tumors are a type of testicular cancer that can lead to hormonal imbalances.
- Estrogen overproduction is a common endocrine manifestation of Leydig cell tumors.
- Gynecomastia, or breast tissue enlargement in males, can be a presenting symptom.
Observation:
- A 32-year-old male presented with gynecomastia and elevated estrogen levels.
- Hormonal analysis revealed a diminished testosterone/estradiol index.
- Testicular echography identified a nodule in the right testis, leading to orchidectomy.
Findings:
- Histopathological examination confirmed the presence of a Leydig cell tumor.
- Post-surgical, the patient's gynecomastia resolved, though estradiol levels remained slightly elevated.
- The tumor showed a low response to human chorionic gonadotropin (HCG) stimulation.
Implications:
- Leydig cell tumors frequently present with hormonal disturbances, including elevated estrogen and suppressed testosterone.
- Testicular echography is a valuable diagnostic tool for identifying these tumors.
- Benign tumor characteristics, such as low HCG response and absence of metastasis, indicate a favorable prognosis.