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Dermoscopy in pigmented squamous cell carcinoma.

Vincenzo de Giorgi¹, Barbara Alfaioli, Federica Papi

¹Departments of Dermatology and Human Pathology and Oncology, University of Florence, Florence, Italy. vincenzo.degiorgi@unifi.it

Journal of Cutaneous Medicine and Surgery

|November 19, 2009

Summary

Diagnosing pigmented squamous cell carcinoma (SCC) can be challenging as it may mimic melanocytic lesions. This study investigates the dermoscopic features of pigmented SCC to aid in early and accurate diagnosis.

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Area of Science:

Dermatology
Dermoscopy
Oncology

Background:

Pigmented squamous cell carcinoma (SCC) diagnosis is often clinical but difficult when lesions mimic melanocytic types.
Dermoscopy aids SCC diagnosis, but features of pigmented SCC are poorly understood.
Accurate preoperative classification of SCC is crucial.

Observation:

A rare case of pigmented SCC mimicking a melanocytic lesion was observed.
The dermoscopic features of this pigmented SCC were investigated in detail.

Findings:

Pigmented SCC can exhibit dermoscopic features characteristic of melanocytic lesions.
Features like radial streaks, globules, and blue pigmentation can mislead diagnosis.

Implications:

Dermoscopy may lead to diagnostic errors in pigmented SCC if features are not carefully evaluated.
Increased awareness of these dermoscopic mimics is essential for dermatologists.
Further research into pigmented SCC dermoscopy is needed to improve diagnostic accuracy.