Przegląd Dermatologiczny
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eISSN: 2084-9893
ISSN: 0033-2526
Dermatology Review/Przegląd Dermatologiczny
Bieżący numer Archiwum Artykuły zaakceptowane O czasopiśmie Zeszyty specjalne Rada naukowa Bazy indeksacyjne Prenumerata Kontakt Zasady publikacji prac Standardy etyczne i procedury
Panel Redakcyjny
Zgłaszanie i recenzowanie prac online
SCImago Journal & Country Rank
5/2025
vol. 112
 
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Opis przypadku

Two Different Dermoscopic Presentations of Sebaceous Adenoma in One Patient

Urszula Maińska
1
,
Jakub Żółkiewicz
1
,
Wojciech Biernat
2
,
Michał Sobjanek
1
,
Martyna Sławińska
1

  1. Department of Dermatology, Venereology and Allergology, Medical University of Gdansk, Poland
  2. Department of Patomorphology, Medical University of Gdansk, Poland
Dermatol Rev/Przegl Dermatol 2025, 112, 340-342
Data publikacji online: 2025/12/30
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Introduction
Sebaceous adenoma is a benign skin tumor most commonly occurring in association with Muir-Torre syndrome. Dermoscopy of sebaceous adenoma is underinvestigated, but the presence of yellow color is thought to be its most characteristic dermoscopic feature.

Objective
To present untypical dermoscopic patterns of two cases of sebaceous adenoma in one patient.

Case report
We present the case of an 80-year-old man with amelanotic tumor on the right cheek and adjacent dark macule. On dermoscopy, reported lesions presented with branched vessels over pink background and brown-grayish structureless areas. Histopathological evaluation showed the architecture of sebaceous adenoma in both lesions with preserved expression of MLH1, MSH2, MSH6 and PMS2.

Conclusions
Sebaceous adenoma should be considered in differential diagnosis when a combination of yellowish structures and unfocused arborizing vessels is observed on dermoscopy. However, branched vessels over pink background and brown-grayish structureless areas may be within dermoscopic spectrum of the tumor.




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