Testicular tumor in man aged 70 years is most likely to be
**Testicular Tumors in Elderly Males**
**Core Concept**
Testicular tumors in elderly males are more likely to be non-seminomatous germ cell tumors (NSGCTs) or sex cord-stromal tumors, which have a different epidemiology and clinical presentation compared to testicular tumors in younger males. These tumors are often associated with a poorer prognosis due to late presentation and advanced disease.
**Why the Correct Answer is Right**
In elderly males, the incidence of testicular tumors increases, and the majority of these tumors are NSGCTs, which include embryonal carcinoma, yolk sac tumor, choriocarcinoma, and teratoma. The most common type of testicular tumor in elderly males is embryonal carcinoma. These tumors often present at an advanced stage, with symptoms such as a painless testicular mass, gynecomastia, or metastatic disease to the lungs, liver, or lymph nodes.
**Why Each Wrong Option is Incorrect**
* **Option A:** This option is incorrect because Leydig cell tumors are more common in young males and are associated with hormonal imbalances such as gynecomastia or precocious puberty.
* **Option B:** This option is incorrect because Sertoli cell tumors are rare and typically present as a painless testicular mass in young or middle-aged males.
* **Option C:** This option is incorrect because seminomas are more common in younger males and are often associated with an excellent prognosis due to early detection and treatment.
**Clinical Pearl / High-Yield Fact**
A painless testicular mass in an elderly male should raise suspicion for a testicular tumor, and prompt evaluation with imaging and biopsy is necessary to establish the diagnosis and guide treatment.
**Correct Answer: D. Embryonal carcinoma**