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Revista argentina de dermatología
On-line version ISSN 1851-300X
Abstract
LOZANO, Paula B. et al. Tumor maligno de la vaina nerviosa periférica: reporte de un caso. Rev. argent. dermatol. [online]. 2024, vol.105, pp.3-3. ISSN 1851-300X.
Malignant peripheral nerve sheath tumor (MPNST) is a high-grade sarcoma. It is rare, aggressive and generally located on the trunk and lower limbs. It occurs in a high percentage of patients with neurofibormatosis type 1, although this association is not always found. This tumor shares histological and immunohistochemical characteristics with melanoma, which can make diagnosis difficult. We present the case of a patient with MPNST, in whom the initial histological findings led to an erroneous diagnosis of melanoma.
Keywords : Malignant peripheral nerve sheath tumor; high grade sarcoma; immunohistochemistry; oncologic surgery; melanoma.