Related Experiment Video

Updated: May 17, 2026

Microscopic Cyst Resection for the Treatment of Patients Diagnosed with Epididymal Cyst
03:10

Microscopic Cyst Resection for the Treatment of Patients Diagnosed with Epididymal Cyst

Published on: March 31, 2023

A giant Müllerian duct cyst in the perineum: a case report

Xianghu Meng1, Jihong Liu, Xiao Yu

  • 1Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.

Frontiers of Medicine
|October 12, 2012
PubMed

Insights

This case report details a rare, giant Müllerian duct cyst in a 37-year-old male, measuring 50x40x30 cm. Surgical resection was successful, confirming the diagnosis of this uncommon perineal mass.

Area of Science:

  • Urology
  • Surgical Pathology

Background:

  • Müllerian duct cysts are rare developmental anomalies originating from the embryonic Müllerian (paramesonephric) duct.
  • While typically found in the female reproductive tract, they can occur in males, often presenting as pelvic or perineal masses.

Observation:

  • A 37-year-old male presented with a massive 50 cm × 40 cm × 30 cm perineal mass.
  • Imaging studies including CT, MRI, and X-ray revealed a large, multilocular cystic lesion.
  • Voiding cystourethrogram excluded communication with the posterior urethra.

Findings:

  • Surgical exploration and subsequent histopathological examination confirmed the diagnosis of a giant Müllerian duct cyst.
  • The cyst was successfully resected via open surgery.

Implications:

  • This case highlights the possibility of exceptionally large Müllerian duct cysts presenting in the perineum of adult males.
  • Management strategies for Müllerian duct cysts should consider cyst size and symptomatic presentation.
  • Accurate diagnosis through imaging and pathology is crucial for appropriate surgical planning and treatment.

Related Concept Videos

Muscles of the Pelvic Floor and Perineum01:26

Muscles of the Pelvic Floor and Perineum

The muscles of the pelvic floor and perineum are crucial for supporting the pelvic organs, controlling continence, and aiding in sexual function, childbirth, and core stability. They are typically divided into the superficial perineal layer and the deep pelvic floor layer.
Perineal Layer
The perineum is a diamond-shaped area below the pelvic diaphragm, divided into an anterior urogenital triangle that contains the external genitals and a posterior anal triangle housing the anus. The urogenital...
Appendicitis01:19

Appendicitis

Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
Etiology: Appendicitis can arise from various causes, primarily rooted in the obstruction of the appendix lumen. Factors contributing to this obstruction include fecal accumulation, lymphoid hyperplasia and, in...