An unusual onset of agminated Spitz naevi in an adult patient

An unusual onset of agminated Spitz naevi in an adult patient A 31‐year‐old Caucasian man presented with multiple papules on his right thigh, which had erupted abruptly over several months prior to his presentation. The patient had no relevant medical history.On physical examination, multiple, dome‐shaped, pink and brown papules were seen, clustered on the patient's right posterior thigh, with a smaller cluster on the volar surface of his left forearm (Fig. a,b). Both clusters occurred on a background of normally pigmented skin. The papules displayed a diverse dermoscopic appearance. There was no lymphadenopathy.(a,b) Multiple, dome‐shaped, pink and brown papules clustered on (a) the patient's right posterior thigh, with (b) a smaller cluster on the volar surface of his left forearm.Two papules were excised from the right thigh. Histological examination of both revealed features of a compound Spitz naevus, consisting of large epithelioid nested and single melanocytes with abundant cytoplasm. Small nests and single cells showed limited disarray in the variably acanthotic epidermis, with occasional Kamino bodies. There were no dermal mitoses, and the dermal melanocytes displayed no maturation (Fig. ).Biopsy from a Spitz naevus on the patient's posterior thigh, showing typical features. Large epithelioid nested and single melanocytes with abundant cytoplasm were present. Small nests and single cells showed limited http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Clinical & Experimental Dermatology Wiley

An unusual onset of agminated Spitz naevi in an adult patient

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Publisher
Wiley
Copyright
Copyright © 2018 British Association of Dermatologists
ISSN
0307-6938
eISSN
1365-2230
D.O.I.
10.1111/ced.13343
Publisher site
See Article on Publisher Site

Abstract

A 31‐year‐old Caucasian man presented with multiple papules on his right thigh, which had erupted abruptly over several months prior to his presentation. The patient had no relevant medical history.On physical examination, multiple, dome‐shaped, pink and brown papules were seen, clustered on the patient's right posterior thigh, with a smaller cluster on the volar surface of his left forearm (Fig. a,b). Both clusters occurred on a background of normally pigmented skin. The papules displayed a diverse dermoscopic appearance. There was no lymphadenopathy.(a,b) Multiple, dome‐shaped, pink and brown papules clustered on (a) the patient's right posterior thigh, with (b) a smaller cluster on the volar surface of his left forearm.Two papules were excised from the right thigh. Histological examination of both revealed features of a compound Spitz naevus, consisting of large epithelioid nested and single melanocytes with abundant cytoplasm. Small nests and single cells showed limited disarray in the variably acanthotic epidermis, with occasional Kamino bodies. There were no dermal mitoses, and the dermal melanocytes displayed no maturation (Fig. ).Biopsy from a Spitz naevus on the patient's posterior thigh, showing typical features. Large epithelioid nested and single melanocytes with abundant cytoplasm were present. Small nests and single cells showed limited

Journal

Clinical & Experimental DermatologyWiley

Published: Jan 1, 2018

References

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