K Patel1, S T Ward2, T Packer2, S Brown2, J Marsden3, M Thomson4, T Ismail2. 1. Department of Colorectal Surgery, Queen Elizabeth Hospital Birmingham, Mindelsohn Way, Edgbaston, Birmingham B15 2WB, UK. Electronic address: kamleshpatel@doctors.org.uk. 2. Department of Colorectal Surgery, Queen Elizabeth Hospital Birmingham, Mindelsohn Way, Edgbaston, Birmingham B15 2WB, UK. 3. Department of Dermatology, Queen Elizabeth Hospital Birmingham, Mindelsohn Way, Edgbaston, Birmingham B15 2WB, UK. 4. Birmingham Skin Centre, City Hospital NHS Trust, Dudley Road, Birmingham, West Midlands B18 7QH, UK.
Abstract
BACKGROUND: Resection of gastrointestinal (GI) metastases of malignant melanoma (MM) offers a significant survival benefit. No adjuvant therapy has been shown to be effective in the treatment of these metastases. METHODS: All resections of MM affecting the GI tract at a UK University teaching hospital between October 1999 and January 2013 were identified from a pathology database. Demographic, investigative, operative and outcome data were retrieved from hospital records. Survival analysis was performed. RESULTS: Thirty patients were identified (median age 62.7 years). 3 patients underwent a second operation at a later date to resect further metastases. 6 patients (20.0%) presented with no identifiable cutaneous lesion. The average time to GI metastases was 52.0 months (range 4.9-139.8 months) for those with an identified cutaneous primary (n = 24). Two patients with initial cutaneous lesions with Breslow's thickness <1 mm developed GI metastases. Common presenting symptoms included abdominal pain (n = 8, 27.6%), GI bleeding (n = 5, 17.2%) and symptoms of GI tract obstruction (n = 4, 13.8%). CT scan was the most commonly performed investigation (96.6%). Over half of resections (54.5%, n = 18) included small bowel resection. Mortality at 2 and 5 years was 66.4% and 73.1%. Of the 3 patients who underwent a second resection of GI metastases, one is still alive after 26 months of follow up; 2 patients died after 32.8 and 18.6 months. CONCLUSIONS: Clinicians should have a low threshold for investigating GI symptoms in patients with a history of malignant melanoma even in the case of early-stage primary disease. Re-resection should be considered in patients presenting with further GI metastases. Crown
BACKGROUND: Resection of gastrointestinal (GI) metastases of malignant melanoma (MM) offers a significant survival benefit. No adjuvant therapy has been shown to be effective in the treatment of these metastases. METHODS: All resections of MM affecting the GI tract at a UK University teaching hospital between October 1999 and January 2013 were identified from a pathology database. Demographic, investigative, operative and outcome data were retrieved from hospital records. Survival analysis was performed. RESULTS: Thirty patients were identified (median age 62.7 years). 3 patients underwent a second operation at a later date to resect further metastases. 6 patients (20.0%) presented with no identifiable cutaneous lesion. The average time to GI metastases was 52.0 months (range 4.9-139.8 months) for those with an identified cutaneous primary (n = 24). Two patients with initial cutaneous lesions with Breslow's thickness <1 mm developed GI metastases. Common presenting symptoms included abdominal pain (n = 8, 27.6%), GI bleeding (n = 5, 17.2%) and symptoms of GI tract obstruction (n = 4, 13.8%). CT scan was the most commonly performed investigation (96.6%). Over half of resections (54.5%, n = 18) included small bowel resection. Mortality at 2 and 5 years was 66.4% and 73.1%. Of the 3 patients who underwent a second resection of GI metastases, one is still alive after 26 months of follow up; 2 patients died after 32.8 and 18.6 months. CONCLUSIONS: Clinicians should have a low threshold for investigating GI symptoms in patients with a history of malignant melanoma even in the case of early-stage primary disease. Re-resection should be considered in patients presenting with further GI metastases. Crown
Authors: Katherine Wong; Sam W Serafi; Abhijit S Bhatia; Irene Ibarra; Elizabeth A Allen Journal: J Community Hosp Intern Med Perspect Date: 2016-09-07
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