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Retrorenal gallbladder. A case report.

R L Ehman, H F Morrish

Journal of the Canadian Association of Radiologists

|December 1, 1983

Summary

This summary is machine-generated.

An abdominal computed tomography scan identified an unusual mass behind the right kidney. This mass was diagnosed as an abnormally located gallbladder, a rare anatomical finding in patients with prior cancer history.

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Area of Science:

Radiology
Abdominal Imaging
Anatomical Variants

Background:

Computed tomography (CT) is a key imaging modality for evaluating abdominal masses.
A history of malignancy can complicate differential diagnoses in abdominal imaging.
Anatomical variations of the gallbladder are uncommon but recognized entities.

Observation:

A computed tomography scan of the abdomen revealed a discrete mass posterior to the right kidney.
The patient had a known history of malignancy, prompting thorough investigation of the abdominal mass.

Findings:

The identified mass was definitively characterized as an abnormally situated gallbladder.
This ectopic gallbladder was located in the retroperitoneum, posterior to the right renal structure.

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Implications:

This case highlights the importance of considering rare anatomical variants in the interpretation of abdominal imaging.
Radiologists must be aware of ectopic gallbladder presentations to avoid misdiagnosis, particularly in patients with a history of cancer.
Recognition of such variations is crucial for accurate surgical planning and patient management.