Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Zalaudek, I; Argenziano, G; Soyer, HP; Saurat, JH; Braun, RP.
Dermoscopy of subcorneal hematoma.
Dermatol Surg. 2004; 30(9):1229-1232
Doi: 10.1111/j.1524-4725.2004.30381.x
Web of Science
PubMed
FullText
FullText_MUG
- Führende Autor*innen der Med Uni Graz
- Zalaudek Iris
- Co-Autor*innen der Med Uni Graz
- Soyer Hans Peter
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- Abstract:
- BACKGROUND: Subcorneal hematoma is a pigmented skin lesion usually occurring on palms or soles after a trauma or sport activity. Clinically, it may exhibit overlapping features with acral melanoma or acral melanocytic nevi, leading to unnecessary excision of this otherwise harmless skin lesion. OBJECTIVE: The objective was to describe the dermoscopic features in a series of subcorneal hematomas. METHODS: Dermoscopic images of 15 subcorneal hematomas were evaluated for the presence of different colors and dermoscopic structures. RESULTS: In our series, a red-black hue was the most frequent color seen by dermoscopy (40% of the lesions) and a homogeneous pattern of pigmentation was the most frequent dermoscopic structure (53.3%). Remarkably, 40% of the lesions exhibited a parallel-ridge pattern that is usually found in early melanoma of palms and soles. In 46.7% of the lesions, red-black globules were additionally seen at the periphery as satellites disconnected from the lesion's body. Only two lesions showed either parallel-furrow or fibrillar pattern. A scratch test performed in four lesions, allowed complete or partial removal of the pigmentation. CONCLUSION: Dermoscopic features of subcorneal hematomas may be similar to those observed in acral melanocytic lesions. Nevertheless, in most cases the correct diagnosis can be facilitated by the presence of a red-black homogeneous pigmentation, often combined with satellite globules. A positive scratch test may be considered as an additional diagnostic clue.
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