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Intestinal choriocarcinoma without primary source: A diagnostic enigma
Semra Tutcu Şahin1, Pinar Solmaz Hasdemir2, Ömer Atmış3
1Department of General Surgery, Manisa Celal Bayar University, Manisa-Türkiye.
Summary
This case report details the first instance of intestinal choriocarcinoma diagnosed after an ectopic pregnancy. The rare malignancy was identified in a 24-year-old woman following surgical intervention for small bowel obstruction.
Area of Science:
- Gastroenterology
- Oncology
- Gynecology
Background:
- Intestinal choriocarcinoma is an exceptionally rare malignancy.
- Ectopic pregnancy is a known risk factor for gestational trophoblastic disease, but its association with intestinal choriocarcinoma is unprecedented.
Observation:
- A 24-year-old woman presented with symptoms of small intestinal obstruction, including abdominal pain, distension, and vomiting.
- A history of ectopic pregnancy nine months prior was noted.
- Surgical exploration revealed abscesses and obstructions in the small intestine, which were histopathologically diagnosed as intestinal choriocarcinoma.
Findings:
- Postoperative imaging (PET scan) showed a metabolically active lesion at the anastomosis site, consistent with healing, with no evidence of primary or metastatic disease elsewhere.
- The patient underwent multi-agent chemotherapy.
- One-year follow-up PET scan revealed no residual or recurrent tumoral lesions.
Implications:
- This case highlights a novel association between ectopic pregnancy and the development of intestinal choriocarcinoma.
- It underscores the importance of thorough histopathological evaluation in cases of unexplained intestinal obstruction, particularly with a history of gestational trophoblastic disease.
- Further research is warranted to understand the potential link and diagnostic/therapeutic strategies for this rare condition.
