Summary
Melanocytic lesions of uncertain malignant potential (MUMP) is a term which is useful
in identifying melanocytic tumours where the distinction between benign and malignant
is a histological problem. Sentinel node biopsy is recognised to provide unmatched
prognostic information in melanoma patients, but has recently been advocated for diagnostic
purposes in MUMP.
We present the case of a seven-year-old girl who presented with a six-month history
of a changing pigmented lesion on her left upper arm. Excision biopsy not only showed
a melanocytic lesion with some spitzoid features but also marked atypia making it
appropriate to use the term MUMP. Sentinel node biopsy was undertaken.
This case demonstrates that sentinel node biopsy can be performed safely in children.
Given the low morbidity of the procedure we advocate that this technique should be
considered in this difficult diagnostic situation to further the management of these
patients.
Keywords
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References
- Lymphatic mapping in the management of melanoma in children.Pediatr Dermatol. 1998; 15: 421-425
- Survival in sentinel lymph node-positive pediatric melanoma.J Pediatr Surg. 2005; 40: 988-992
- Malignant melanoma in an 8-year-old Caribbean girl: diagnostic criteria and utility of sentinel lymph node biopsy.Br J Dermatol. 2003; 148: 569-572
- Lymphatic mapping with sentinel node biopsy in pediatric patients.J Pediatr Surg. 2000; 35: 961-964
- Sentinel lymph node biopsy as an adjunct to management of histologically difficult to diagnose melanocytic lesions: a proposal.Acad Dermatol. 2000; 42: 527-530
Article info
Publication history
Published online: June 28, 2006
Accepted:
April 5,
2006
Received:
January 20,
2006
Identification
Copyright
© 2006 Published by Elsevier Inc.
