Malignant tumor of the testes is known as

Appeared in: RRB Nsg. Superintendent-20 July 2019 (Shift-3rd)

Explanation

Seminoma is the most common type of germ cell tumor (GCT) of the testis, representing about 50% of all cases.
It originates from the germ cells within the seminiferous tubules.
The peak incidence for seminoma is in the fourth decade of life.
Clinically, seminomas are known to be very radiosensitive, which contributes to their generally good prognosis with a high cure rate.

Option A: Melanoma is a cancer that develops from melanocytes, the pigment-producing cells in the skin. It is a type of skin cancer, not a primary testicular cancer.
Option C: Lymphoma is a cancer of the lymphatic system. While lymphoma can involve the testis (usually in elderly men), it is not a primary tumor arising from testicular germ cells.
Option D: Wilms tumor, or nephroblastoma, is a cancer of the kidneys. It is the most common type of kidney cancer in children and is not related to the testes.

Visual 1: Diagram - A cross-section of a testis showing a well-circumscribed, homogeneous, gray-white mass characteristic of a seminoma.
Visual 2: Infographic - A chart comparing the key features of seminomatous and non-seminomatous germ cell tumors, including age of onset, tumor markers, and prognosis.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Types of Testicular Cancer as background academic context rather than a clinical decision trigger.
Early detection of testicular cancer through regular testicular self-examination (TSE) is critical for a favorable prognosis. Nurses play a key role in educating young men about TSE.
Testicular cancer has one of the highest cure rates of all cancers, especially when detected and treated early. The 5-year survival rate for localized testicular cancer is over 99%.
What if? If the patient was an infant with a testicular tumor, the most likely diagnosis would be a Yolk Sac Tumor, not a seminoma, which is rare before puberty.

How to Approach the Question

This is a factual recall question that tests your knowledge of oncology terminology.
First, identify the key terms in the question: 'Malignant tumor' and 'testes'.
Next, review the options provided and associate each term with its primary site of origin.
Recall that 'Seminoma' is the specific term for the most common germ cell tumor of the testes.
Eliminate the other options by identifying their correct associations: Melanoma (skin), Lymphoma (lymphatic system), and Wilms tumor (kidney).

Concept Tested & Keywords

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Practise the full RRB Nsg. Superintendent-20 July 2019 (Shift-3rd)

Attempt every question from this paper in a timed mock, then review the full solution for each one.