A Rare Case of Rectosigmoid Small Cell Carcinoma

Colorectal small cell carcinomas are very rare neuroendocrine malignancies of the colon or rectum. They have poor prognosis due to the aggressive and highly recurrent nature of the disease. It is a malignancy that is also poorly understood with limited literature, and thus there is no consensus in m...

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Bibliographic Details
Published inCurēus (Palo Alto, CA) Vol. 15; no. 7; p. e41339
Main Authors Le, Zhuang Hui Mark, Khoo, William Swee Keong, Kumar, Kaushik
Format Journal Article
LanguageEnglish
Published United States Cureus Inc 03.07.2023
Cureus
Subjects
Abdomen
Cancer
Case reports
Chemotherapy
Colorectal cancer
Emergency medical care
General Surgery
Hematology
Hospitals
Lymphatic system
Magnetic resonance imaging
Medical diagnosis
Medical prognosis
Ostomy
Patients
Radiation therapy
Rectum
Surgery
general surgery
colorectal cancer
extrapulmonary small cell carcinoma
colorectal small cell carcinoma
colorectal neuroendocrine malignancy
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Summary:Colorectal small cell carcinomas are very rare neuroendocrine malignancies of the colon or rectum. They have poor prognosis due to the aggressive and highly recurrent nature of the disease. It is a malignancy that is also poorly understood with limited literature, and thus there is no consensus in management. This case report presents the clinical features and radiological images of an otherwise healthy 74-year-old gentleman with a rare and aggressive 112-mm rectosigmoid small cell carcinoma with evidence of metastatic disease. This report will also discuss the most current and pertinent diagnostic and therapeutic recommendations from the literature.
ISSN:2168-8184
2168-8184
DOI:10.7759/cureus.41339