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Vol. 55, No. 5, 2011
Issue release date: September–October
Acta Cytologica 2011;55:481–484

Key Cytological Findings in FNA from Infantile Digital Fibromatosis

Ojha S.S. · Naik L.P. · Fernandes G.C. · Sathe P.A. · Kandalkar B.M.
Department of Cytopathology, Seth G.S. Medical College and King Edward Memorial Hospital, Mumbai, India

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Background: Infantile digital fibromatosis (IDF) or inclusion body fibromatosis is a benign proliferation of fibroblastic and myofibroblastic cells. Its most common site is the digits of young children and it is named for the intracytoplasmic inclusions that are detected in lesional cells. Case: A two and a half-year-old male child presented with a single flesh-colored nodule on the dorsal aspect of his right little toe since the sixth month of life. FNAC from the lesion showed characteristic cytomorphological features of IDF. Conclusion: IDF is a rare lesion occurring in children or infants. There are many case reports describing histopathological features of IDF. To our knowledge, the typical inclusion bodies as cytomorphological findings in IDF have not been described in the literature. This is a rare case diagnosed on cytology and confirmed on histopathology.

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