ArticleEuropean radiology2017
Imaging of gastrointestinal melanoma metastases: Correlation with surgery and histopathology of resected specimen.
Article in European radiology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 22 citations in OpenAlex.
- Recurrent Jejunal Melanoma Presenting as Obscure Gastrointestinal Bleeding: A Diagnostic Challenge.ACG case reports journal · 2026Article
- Article
- From the Skin to Small Bowel: Metastatic Melanoma as a Hidden Source of Gastrointestinal Bleeding.Cureus · 2025Article
- Clinical and Imaging Follow-Up for High-Risk Cutaneous Melanoma: Current Evidence and Guidelines.Cancers · 2024Review
- Malignant melanoma of gastrointestinal tract onAmerican journal of nuclear medicine and molecular imaging · 2023Article
- The different faces of metastatic melanoma in the gastrointestinal tract.Insights into imaging · 2022Review
- Metastatic melanoma presenting with dyspepsia: a case report.The Journal of international medical research · 2022Article
- The forgotten appearance of metastatic melanoma in the small bowel.Cancer imaging : the official publication of the International Cancer Imaging Society · 2022Article
- Clinical Evaluation of an Abbreviated Contrast-Enhanced Whole-Body MRI for Oncologic Follow-Up Imaging.Diagnostics (Basel, Switzerland) · 2021Article
- CT, MRI and PET/CT features of abdominal manifestations of cutaneous melanoma: a review of current concepts in the era of tumor-specific therapies.Abdominal radiology (New York) · 2021Review
- Malignant Melanoma of the Gastrointestinal Tract: Symptoms, Diagnosis, and Current Treatment Options.Cells · 2021Review
Corrections and comments
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo assess the appearance of gastrointestinal melanoma metastases on CT and PET/CT and evaluate the diagnostic value of CT and PET/CT compared with surgery and histopathology.
methodsWe retrospectively included 41 consecutive patients (aged 56.1 ± 13.5 years) with gastrointestinal melanoma metastases who underwent preoperative imaging (CT: all, PET/CT: n = 24) and metastasectomy. Two blinded radiologists assessed CT and PET/CT for gastrointestinal metastases and complications. Diagnostic accuracy and differences regarding lesion detectability and complications were assessed, using surgical findings and histopathology as standard of reference.
resultsFifty-three gastrointestinal melanoma metastases (5.0 ± 3.8 cm) were confirmed by surgery and histopathology. Lesions were located in the small bowel (81.1 %), colon (15.1 %) and stomach (3.8 %), and described as infiltrating (30.2 %), polypoid (28.3 %), cavitary (24.5 %) and exoenteric (17.0 %). Fifteen patients (37 %) had gastrointestinal complications. Higher complication rates were associated with large and polypoid lesions (p ≤ .012). Diagnostic accuracy was high for CT and PET/CT (AUC ≥ .802). For reader B (less experienced), CT yielded lower diagnostic accuracy than PET/CT (p = .044).
conclusionMost gastrointestinal melanoma metastases were located in the small bowel. Large and polypoid metastases were associated with higher complication rates. PET/CT was superior for detection of gastrointestinal melanoma metastases and should be considered in patients with limited disease undergoing surgery. KEY POINTS: • Gastrointestinal melanoma metastases (GI-MM) are rare but often cause serious gastrointestinal complications. • Early detection of GI-MM is important to prevent complications and guide surgery. • PET/CT is superior to CT for detection of GI-MMs. • PET/CT should be considered for patients with limited disease before surgical resection.
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