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[Malakoplakia of the colon]
S Krüger1, T Katscher, R Johannisson
1Institut für Pathologie, Medizinische Universität Lübeck.
Der Pathologe
|December 11, 1999
Summary
This study details a rare case of colonic malakoplakia, an inflammatory condition, diagnosed in a 62-year-old female presenting with melena. Antibiotic treatment successfully resolved symptoms, highlighting a potential therapeutic approach for this uncommon gastrointestinal disorder.
Area of Science:
- Gastroenterology
- Pathology
- Rare Diseases
Background:
- Malakoplakia is a rare inflammatory condition typically affecting the genitourinary tract.
- Colonic malakoplakia is exceptionally uncommon, with fewer than 40 cases reported globally.
- It is often associated with underlying conditions such as immune defects, neoplastic disorders, or substance abuse.
Observation:
- A 62-year-old female presented with melena, a sign of gastrointestinal bleeding.
- Endoscopic examination revealed polypoid lesions in the cecum.
- Histological analysis of biopsies showed inflammation with histiocytes and Michaelis-Guttmann bodies, confirming colonic malakoplakia.
Findings:
- The patient's melena resolved completely within six months of initiating antibiotic therapy.
- No other organs were found to be affected by the malakoplakia.
- The patient had a history of long-standing alcohol abuse, expanding the known associated conditions for colonic malakoplakia.
Implications:
- This case expands the clinical spectrum of associated conditions for colonic malakoplakia, including chronic alcohol abuse.
- Successful antibiotic treatment suggests a viable therapeutic strategy for colonic malakoplakia.
- Highlights the importance of considering malakoplakia in the differential diagnosis of unexplained gastrointestinal bleeding, particularly in patients with risk factors.