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“Proliferating Trichilemmal Tumour : An interesting tumour case Report.”

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Abstract (2. Language): 
Proliferating Trichilemmal tumour (PTT) is a tumour arising from the head and neck region of elderly women. It was first described in 1966 by Wilson and Jones as 'proliferating epidermoid cyst'. It is a benign tumour that appears as a malignant tumour but histologically more often turns to be benign. Worldwide very few malignant PTT have been reported. It is a tumour which is often proved benign after histopathological exam. Features of malignant tumour include non‐scalp locations, size >5 cm, recent rapid increase in size, infiltrative growth pattern on histology, palpable lymph nodes, fixity to deeper structures.
FULL TEXT (PDF): 
591-593

REFERENCES

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