Multiple Eruptive and Vulvar Syringomas and the incipient role of dermoscopy in diagnosis

Paula Majluf Cáceres, Andrea Antúnez Lay, Hernán Herrera Reyes, Sergio Alvarez-Véliz, Alvaro Abarzúa-Araya, Sergio González-Bombardiere


Introduction: Syringomas are common benign tumors, probably of eccrine origin derived from the intraepidermal portion of the eccrine sweat ducts. They may occasionally develop suddenly and extensively as eruptive syringomas or be located in atypical sites delaying the diagnosis for years. Dermoscopy has an incipient role differentiating syringomas from their extensive differential diagnosis.

Methods: Case-series of syringomas of atypical location. They all include dermoscopy and histopathological correlation.

Results: Five patients: Four men and a woman between 40 and 79 years old, with clinical diagnosis of extra-ocular syringomas: eruptive, chronic and vulvar.
Discussion: We propose dermoscopy, based on our findings, as a useful tool to suspect this entity, with its oval yellow structures and a diffuse light-brown network-like structure on its surface. These yellow enlargements may be correlated with the ductal eccrine proliferation and the dense stroma seen in the histopathology.

Conclusion: We emphasize that they should be considered in the differential diagnosis of papular dermatosis, as they tend to be underdiagnosed, and to know their clinical manifestations to optimize the diagnostic suspicion.

Palabras clave

siringoma; vulvar; dermatoscopía

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