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Multicentric gastrointestinal and extraintestinal leiomyosarcomatosis: a case report
I L Fridie1, I S Hong, W R Green
1Department of Pathology, Howard University Medical Center, Howard University College of Medicine, Washington, DC 20059.
Journal of the National Medical Association
|July 1, 1992
Summary
This study details a rare case of colon cancer with multiple smooth muscle tumors throughout the body. All tumors, including those in the colon and other organs, were identified as leiomyosarcomas.
Area of Science:
- Oncology
- Gastroenterology
- Pathology
Background:
- Colon adenocarcinoma is a common malignancy.
- Smooth muscle tumors can occur in the gastrointestinal tract.
- Metastasis patterns of colorectal cancer are well-documented.
Observation:
- A case of synchronous primary adenocarcinoma of the transverse colon was identified.
- During postmortem examination, numerous polypoid smooth muscle tumors were found throughout the gastrointestinal tract.
- Extensive extraintestinal smooth muscle tumors were present in the liver, lungs, diaphragm, parathyroid gland, bone marrow, and subcutaneous tissue.
Findings:
- Histomorphological analysis classified all observed tumors as leiomyosarcomas.
- The study investigated the origin of these synchronous and extraintestinal tumors.
- No lymph node or distant metastasis was noted for the primary colon adenocarcinoma.
Implications:
- This case highlights the potential for widespread smooth muscle tumor development.
- Understanding the origin and behavior of such synchronous tumors is crucial for diagnosis and treatment.
- Further research is needed to elucidate the pathogenesis of multifocal leiomyosarcomas.