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Dropped gallstones mimicking peritoneal metastasis: A case report.

ABSTRACT: Dropped gallstones is a rare complication after a cholecystectomy. Computed tomography is the modality of choice for diagnosis. Dropped gallstones can be a fortuitous discovery in an asymptomatic patient but it is usually revealed when a complication occurs, most commonly through an abscess. Our case presents a dropped gallstone found during a routine check-up in a patient with a history of small bowel cancer. We will discuss differential diagnosis with others calcified peritoneal nodular patterns, particularly peritoneal carcinomatosis. We will recall the multimodality imaging findings of dropped gallstone and, based on literature, we will review the different sources of calcified peritoneal nodular pattern. The treatment of gallstone drop consequences depends on the clinical aspect.

SUBMITTER: Garaud S

PROVIDER: S-EPMC6031285 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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Dropped gallstones mimicking peritoneal metastasis: A case report.

Garaud Sarah S Stolz Alexandre A

Radiology case reports 20180630 4

Dropped gallstones is a rare complication after a cholecystectomy. Computed tomography is the modality of choice for diagnosis. Dropped gallstones can be a fortuitous discovery in an asymptomatic patient but it is usually revealed when a complication occurs, most commonly through an abscess. Our case presents a dropped gallstone found during a routine check-up in a patient with a history of small bowel cancer. We will discuss differential diagnosis with others calcified peritoneal nodular patter ...[more]

PMID: 29988777

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Project description:BackgroundBRAF V600E-mutant advanced colon cancer with peritoneal metastasis is associated with a poor prognosis. Surgery is not recommended by current guidelines, and there are few cases demonstrating the efficacy of targeted therapy combined with surgery in such patients. In the era of precision medicine, we apply aggressive surgery after successful conversion of triple-targeted drugs to prolong survival and provide a clinical basis for the treatment of such patients.Case descriptionA 72-year-old male patient presented with abdominal distension and changes in bowel habits was admitted to the Department of Oncology, Shanxi Provincial People's Hospital. The patient was diagnosed with advanced ascending colon adenocarcinoma with peritoneal metastasis after relevant examinations such as abdominal enhanced computed tomography and tests of tumor markers. Later, further genetic testing was performed suggesting BRAF V600E mutation. We treated the patient with first-line three-target therapy (dabrafenib + trametinib + cetuximab). Repeat abdominal enhanced computed tomography after 6 weeks of three-target therapy revealed the disappearance of peritoneal metastases. Subsequently, after 3 months, the patient underwent resection of the primary lesion and removal of greater omental metastases. Three-target therapy continued after surgery until 4 months post-operation. However, carbohydrate antigen 199 was significantly increased at 9 months after medication discontinuation, and returned to normal after 4 months of re-initiation of three-target therapy. The three-target therapy was further adjusted to two-target therapy (dabrafenib + cetuximab) based on the results of circulating tumor cells, and the tumor markers are now normal.ConclusionsPatients with BRAF V600E colon cancer combined with peritoneal metastases are treated with targeted drug conversion therapy, and aggressive surgery may prolong survival depending on the conversion effect. Continued maintenance therapy after surgery may play a role in preventing recurrence.

Dataset Information

Dropped gallstones mimicking peritoneal metastasis: A case report.

Publications

Dropped gallstones mimicking peritoneal metastasis: A case report.

Similar Datasets

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