Before revision: Spitzoid lesions may be largely categorized into Spitz Nevus  , Atypical Spitz Tumors  , and Spitz Melanomas . Classifying a lesion precisely as Atypical Spitz Tumors or AST is challenging and often requires the integration of clinical, histological, and immunohistochemical features to differentiate AST from regular Spitz nevus and malignant Spitz melanomas.
After revision: Spitzoid lesions broadly categorized into Spitz Nevus , Atypical Spitz Tumors , and Spitz Melanomas . Classifying a lesion precisely as Atypical Spitz Tumors or AST is challenging and often requires the integration of clinical, histological, and immunohistochemical features to differentiate AST from regular Spitz nevus and malignant Spitz melanomas.