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Trichoblastoma with rippled-pattern

T Akasaka¹, Y Imamura, Y Mori

¹Department of Dermatology, School of Medicine, Iwate Medical University, Morioka, Japan.

The Journal of Dermatology

|March 1, 1997

Summary

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This case study highlights a rare rippled-pattern in a trichoblastoma, a benign skin tumor. The unique pattern, resembling Verocay bodies, is attributed to the tumor's stromal induction.

Area of Science:

Dermatopathology
Oncology
Histology

Background:

Trichoblastoma is a benign skin neoplasm originating from the hair follicle matrix.
Histopathological variants of trichoblastoma can present with diverse morphological features.
The presence of unusual patterns may pose diagnostic challenges.

Observation:

A 36-year-old Japanese male presented with a scalp lesion.
The lesion exhibited a distinct rippled pattern on histological examination.

Findings:

Histology revealed lobular basaloid cell aggregations, squamous foci, and papillary mesenchymal bodies.
A unique rippled pattern of basaloid cells and hyalinized matrix, resembling Verocay bodies, was noted.
This pattern is proposed to result from characteristic stromal induction in trichoblastoma.

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Implications:

Understanding this pattern enhances diagnostic accuracy for trichoblastoma.
Further research into trichoblastoma's stromal interactions may reveal new therapeutic targets.
This finding contributes to the histopathological classification of adnexal tumors.