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Related Concept Videos

Testes: Histology01:27

Testes: Histology

A tough, fibrous membrane, the tunica albuginea, covers the testes, extending inward to form fibrous partitions or septa, dividing them into internal compartments called lobules. Each lobule has 1 to 3 tightly coiled seminiferous tubules where sperm production occurs. These tubules merge into a tubular network at the back of the testis, known as the rete testis. It connects to 15 to 20 efferent ductules, leading to the epididymis.
The spermatogenic cells, responsible for producing sperm, are...
Disorders of the Male Reproductive System01:20

Disorders of the Male Reproductive System

Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra. Symptoms...
Primary Lymphoid Organs01:16

Primary Lymphoid Organs

Primary lymphoid organs are pivotal in the formation, development, and maturation of lymphocytes, the white blood cells that serve as the backbone of our immune system. This crucial function underscores their fundamental role in maintaining our overall health and immunity. The two primary lymphoid organs of prime importance are the red bone marrow and the thymus.
The red bone marrow is a soft, spongy tissue nestled in the interior of long bones such as the humerus and femur. It is the site...
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
Secondary Lymphoid Organs01:15

Secondary Lymphoid Organs

Secondary organs, including lymph nodes, the spleen, and mucosa-associated lymphoid tissue (MALT), work harmoniously to protect us from disease and infection.
The spleen is a vital organ in the lymphatic system, nestled in the upper left side of the abdomen. It is composed of two primary regions: the red pulp and the white pulp, each having distinct functions. The red pulp performs a significant role in blood filtration. It efficiently purges the blood of old or damaged red blood cells and...
Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
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Related Experiment Video

Updated: Jul 10, 2026

Wild-type Blocking PCR Combined with Sanger Sequencing for Detection of Low-frequency Somatic Mutation
07:17

Wild-type Blocking PCR Combined with Sanger Sequencing for Detection of Low-frequency Somatic Mutation

Published on: August 23, 2024

Primary testicular lymphoma.

Umberto Vitolo1, Andrés J M Ferreri, Emanuele Zucca

  • 1Hematology Unit, Azienda Ospedaliera S. Giovanni Battista Molinette, Turin, Italy.

Critical Reviews in Oncology/Hematology
|October 27, 2007
PubMed
Summary

Primary testicular lymphoma (PTL) is a rare cancer in older men, often presenting as scrotal swelling. While chemotherapy offers some success, relapses are common, and advanced disease has a poor prognosis.

Area of Science:

  • Oncology
  • Hematology
  • Urology

Background:

  • Primary testicular lymphoma (PTL) constitutes approximately 9% of testicular neoplasms and 1-2% of all non-Hodgkin's lymphomas.
  • It represents the most frequent testicular malignancy observed in elderly males.
  • Etiological factors such as trauma, chronic orchitis, cryptorchidism, or filariasis are anecdotally linked to PTL, but lack case-control study validation.

Purpose of the Study:

  • To summarize the current understanding of primary testicular lymphoma (PTL).
  • To detail the epidemiology, clinical presentation, histopathology, and treatment of PTL.
  • To highlight the challenges in managing PTL, including relapse rates and prognosis.

Main Methods:

  • Review of existing literature on primary testicular lymphoma.

Related Experiment Videos

Last Updated: Jul 10, 2026

Wild-type Blocking PCR Combined with Sanger Sequencing for Detection of Low-frequency Somatic Mutation
07:17

Wild-type Blocking PCR Combined with Sanger Sequencing for Detection of Low-frequency Somatic Mutation

Published on: August 23, 2024

  • Analysis of clinical presentations, diagnostic findings, and treatment outcomes.
  • Synthesis of data regarding histopathological subtypes, particularly diffuse large B-cell lymphoma (DLBCL) and Burkitt's lymphoma.

    • Main Results:

    • Diffuse large B-cell lymphoma (DLBCL) is the predominant histotype in primary testicular lymphoma.
    • Clinical presentation commonly involves unilateral painless scrotal swelling, with systemic B symptoms in advanced stages.
    • High rates of relapse in early-stage disease and poor prognosis in advanced stages are noted, with a propensity for extranodal dissemination.

    Conclusions:

    • Orchidectomy followed by R-CHOP chemotherapy with CNS prophylaxis and contralateral testis irradiation is the recommended first-line treatment for limited-stage PTL.
    • Management of advanced or relapsed PTL should align with established guidelines for nodal DLBCL.
    • Despite treatment advances, PTL presents significant therapeutic challenges due to aggressive behavior and dissemination potential.