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Clinical patterns and management of primary mucosal melanoma: a single centre experience
Author(s) -
Ng Yvonne Y. R.,
Tan Grace H. C.,
Quek Richard H. H.,
Farid Mohamad B. H. R.,
Soo Khee Chee,
Teo Melissa C. C.
Publication year - 2018
Publication title -
anz journal of surgery
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.426
H-Index - 70
eISSN - 1445-2197
pISSN - 1445-1433
DOI - 10.1111/ans.14373
Subject(s) - medicine , genitourinary system , mucosal melanoma , head and neck , radiation therapy , stage (stratigraphy) , surgery , retrospective cohort study , melanoma , paleontology , cancer research , biology
Background Primary mucosal melanomas (MM) are rare neoplasms arising from melanocytes in mucosal membranes. Delayed diagnosis and aggressive disease biology contribute to a poorer prognosis. The clinical patterns of MMs treated in a large tertiary centre, and the differences between MMs in the head and neck versus other anatomical sites are described. Methods A retrospective review of 43 patients diagnosed with MM in the head and neck, urogenital, esophageal and anorectal sites from 1993 to 2015 was conducted. Results Distribution of head and neck, urogenital and gastrointestinal MM were 42, 30 and 28% respectively. Disease extent was local in 44%, regional in 40% and distal in 12% at diagnosis. Head and neck MMs were more likely to be diagnosed at an earlier stage as compared to other sites ( P = 0.04). Surgery was performed with curative intent in 72%, while 2% had palliative surgery for symptom control. Of the remaining patients who did not undergo surgery, four had palliative chemotherapy and/or radiotherapy. Median disease‐free survival was 13 months (1–179 months). There was a significantly longer time to locoregional recurrence in head and neck MM (16 months) compared to other sites (11 months) ( P = 0.03). The 2‐year overall survival was also significantly higher in head and neck MM ( P = 0.003). Conclusion MM of the head and neck is diagnosed at an earlier stage and associated with a longer time to locoregional recurrence. Surgical resection is the mainstay of treatment and may offer long‐term survival benefit in selected patients.

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