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This study found that nuclear beta-catenin, LEF1, and PHLDA1 expression was conserved in matrical tumors, suggesting a shared tumorigenesis process involving Wnt pathway activation.

The document outlines criteria to identify and differentiate neoplasms based on follicular characteristics.

This study observed that basal cell carcinomas with matrical differentiation may derive from hair follicles, with .-catenin potentially playing a key role in tumor development and differentiation.

In this case report, a 27-year-old woman with a swelling on her neck was initially misdiagnosed with squamous cell carcinoma, but was later identified as having pilomatrix carcinoma with lymph node metastasis, highlighting the importance of accurate diagnosis for effective treatment and prognosis improvement.

This case report describes a rare instance of melanocytic matricoma, a benign pigmented papule found in sun-damaged skin of an elderly individual, highlighting its distinct clinical and pathological features.