Fine-needle aspiration cytology in primary cutaneous tumors

Background

Fine-needle aspiration biopsy (FNAB) is occasionally used in the evaluation of primary skin tumors. However, in routine evaluation of any soft tissue swelling we encounter the cases of skin lesions. It is essential to know FNAB features of skin lesions.

Materials and methods

We present detailed cytomorphologic features with histologic correlation of 28 primary skin tumors, evaluated over a period of 4 years.

Result

An accurate diagnosis was provided in 42.8% cases, while benign or malignant nature was correctly established in 82.1% cases.

Conclusions

The most common cause of incorrect diagnosis was sampling error and a definitive diagnosis was not provided in adnexal tumors due to overlap of cytologic features and lack of availability of architectural features. The knowledge of cytological features of the skin adnexal tumor is helpful to avoid any mistaken diagnosis.

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