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Published on: June 21, 2024

The inguinal canal: anatomy and imaging features of common and uncommon masses

Priya R Bhosale1, Madhavi Patnana, Chitra Viswanathan

  • 1Department of Radiology, University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Box 368, Houston, TX 77030, USA. Priya.bhosale@di.mdacc.tmc.edu

Radiographics : a Review Publication of the Radiological Society of North America, Inc
|May 16, 2008
PubMed

Insights

Inguinal canal masses can be benign or malignant, including primary tumors and metastases. Accurate diagnosis relies on clinical history, symptoms, labs, and imaging for effective patient treatment.

Area of Science:

  • Radiology
  • Oncology
  • Surgical Pathology

Background:

  • Inguinal canal masses encompass a spectrum of benign and malignant conditions.
  • Differential diagnoses include primary neoplasms, metastases, and various benign entities.

Purpose of the Study:

  • To review the diverse causes of inguinal canal masses.
  • To highlight the diagnostic approach combining clinical, laboratory, and imaging findings.
  • To emphasize the significance of inguinal canal masses in staging and treatment planning.

Main Methods:

  • Comprehensive review of benign and malignant mass etiologies in the inguinal canal.
  • Analysis of diagnostic contributions from clinical history, symptoms, laboratory values, and radiologic features.
  • Discussion of the implications for clinical and surgical management.

Main Results:

  • Benign causes include lipomas, varicoceles, hydroceles, and abscesses.
  • Malignant causes include primary sarcomas, lymphomas, testicular cancers, and metastases from various origins (e.g., prostate, pancreas, melanoma).
  • Inguinal canal masses can indicate advanced (Stage IV) disease, particularly in patients with known malignancy and peritoneal carcinomatosis.

Conclusions:

  • A systematic diagnostic approach is crucial for differentiating benign from malignant inguinal canal masses.
  • Identifying inguinal canal masses can significantly impact patient management and treatment strategies.
  • Radiologists play a key role in the accurate diagnosis and staging of these lesions.

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