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Fibromatosis colli in infants. A cytologic study of eight cases
Sonal Sharma1, Kiran Mishra, Geetika Khanna
1Department of Pathology, University College of Medical Sciences, Guru Teg Bahadur Hospital, Delhi, India.
Objective:
To review eight cases of fibromatosis colli and assess their cytomorphologic features.
Study Design:
Cytologic smears from eight patients diagnosed as having fibromatosis colli on fine needle aspiration cytology were reviewed.
Results:
Cytologic features of fibromatosis colli are bland-appearing fibroblasts and degenerative atrophic skeletal muscle in a clean background. Besides these, we found a large number of muscle giant cells; numerous bland, bare nuclei; and parallel clusters of fibroblasts. Collagen was seen in all cases.
Conclusion:
A confirmatory, noninvasive diagnosis of fibromatosis colli can be made by fine needle aspiration cytology alone; invasive diagnostic and therapeutic measures are best avoided. Excision biopsy may not be necessary and should be reserved for cases with a strong clinicopathologic suspicion of malignancy.