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Related Concept Videos

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...
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...
Testes: Gross Anatomy01:19

Testes: Gross Anatomy

The testes, also known as testicles, are the male gonads. They are housed within the scrotum, a sac-like structure located beneath the penis. The scrotum's primary role is to regulate the temperature of the testes, which is crucial for sperm production.
Each testis is surrounded by the tunica albuginea, a dense connective tissue layer that provides structural support and protection. This layer is covered by an outer serous membrane called the tunica vaginalis, which helps reduce friction...
Cirrhosis I: Introduction01:23

Cirrhosis I: Introduction

Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...
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:
Spermatogenesis01:41

Spermatogenesis

Spermatogenesis is the process by which haploid sperm cells are produced in the male testes. It starts with stem cells located close to the outer rim of seminiferous tubules. These spermatogonial stem cells divide asymmetrically to give rise to additional stem cells (meaning that these structures “self-renew”), as well as sperm progenitors, called spermatocytes. Importantly, this method of asymmetric mitotic division maintains a population of spermatogonial stem cells in the male reproductive...

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Updated: May 28, 2026

Isolation of Sertoli Cells and Peritubular Cells from Rat Testes
11:11

Isolation of Sertoli Cells and Peritubular Cells from Rat Testes

Published on: February 8, 2016

Testicular sarcoidosis.

M Eyselbergs1, R D'Hauwe, K De Cuyper

  • 1Department of Radiology, AZ Sint Maarten, Rooienberg 25, B-2570 Duffel-Mechelen, Belgium.

JBR-BTR : Organe De La Societe Royale Belge De Radiologie (SRBR) = Orgaan Van De Koninklijke Belgische Vereniging Voor Radiologie (KBVR)
|October 11, 2011
PubMed
Summary
This summary is machine-generated.

This case report details an unusual testicular sarcoidosis presentation that mimicked cancer. Accurate diagnosis requires careful review of clinical history, imaging, and pathology for this rare genitourinary condition.

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Germ Cell Transplantation and Testis Tissue Xenografting in Mice
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Germ Cell Transplantation and Testis Tissue Xenografting in Mice

Published on: February 6, 2012

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Last Updated: May 28, 2026

Isolation of Sertoli Cells and Peritubular Cells from Rat Testes
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Published on: February 8, 2016

Germ Cell Transplantation and Testis Tissue Xenografting in Mice
10:41

Germ Cell Transplantation and Testis Tissue Xenografting in Mice

Published on: February 6, 2012

Area of Science:

  • Urology
  • Pathology
  • Oncology

Background:

  • Genitourinary sarcoidosis is a rare condition.
  • Testicular sarcoidosis can present atypically, mimicking malignancy.
  • Early and accurate diagnosis is crucial for appropriate patient management.

Observation:

  • A case of testicular sarcoidosis is presented.
  • The condition mimicked testicular cancer at initial presentation.
  • This highlights the diagnostic challenges associated with genitourinary sarcoidosis.

Findings:

  • The diagnosis was established through meticulous analysis of clinical history, imaging, and pathological criteria.
  • Sarcoidosis, a granulomatous disorder, can affect the testis.
  • Distinguishing sarcoidosis from testicular malignancy requires a comprehensive diagnostic approach.

Implications:

  • This case underscores the importance of considering rare diagnoses like sarcoidosis in the differential of testicular masses.
  • A multidisciplinary approach involving urology, pathology, and radiology is essential.
  • Improved awareness may lead to earlier diagnosis and prevent unnecessary orchiectomies for benign conditions.