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Diffuse expansive cavernous hemangioma of the gallbladder

M Mayorga¹, M Hernando, J F Val-Bernal

¹Anatomical Pathology Department, Medical Faculty, University of Cantabria, Santander, Spain.

General & Diagnostic Pathology

|February 1, 1997

Summary

Cavernous hemangiomas of the gallbladder are exceptionally rare, with only four cases reported. This study details a rare case of gallbladder hemangioma presenting as abdominal pain and significant enlargement.

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Area of Science:

Gastroenterology
Surgical Pathology
Vascular Tumors

Background:

Hepatic hemangiomas are common, but gallbladder hemangiomas are exceedingly rare.
Gallbladder hemangiomas can present with abdominal pain and significant organ enlargement.
Radiographic appearances can be misleading, mimicking other cystic masses.

Observation:

A 50-year-old woman presented with acute right upper abdominal quadrant pain.
Imaging revealed a large gallbladder lesion mimicking a cystic mesenteric tumor.
The lesion was confirmed as a diffuse expansive cavernous hemangioma via immunohistochemistry.

Findings:

This case represents the fourth reported instance of a cavernous hemangioma involving the gallbladder in English literature.
The average age of affected individuals is 52.5 years, with a 3:1 female predominance.

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Gallbladder hemangiomas can be symptomatic and present with ambiguous radiographic findings, distinct from gallstones.

Implications:

This case highlights the importance of considering rare vascular tumors in the differential diagnosis of gallbladder lesions.
Accurate diagnosis is crucial for appropriate management and to avoid misclassification as other cystic neoplasms.
Further case reports are needed to better understand the clinical behavior and optimal treatment strategies for gallbladder hemangiomas.