Granular cell tumor in inguinal region: A case of mistaken identity on cytology

A 63-year-old male presented with sudden increase in size of a right inguinal swelling which was present for the past 10 years. Clinical diagnosis of inguinal soft tissue mass/lymph node enlargement was made and patient was investigated further for a conclusive diagnosis. Ultrasound examination sugg...

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Bibliographic Details
Published in:Journal of cytology 2012-01, Vol.29 (1), p.60-62
Main Authors: Rao, Shalinee, Rajendiran, S, Surendran, P, Venkata, Sai Pm, Prathiba, D
Format: Article
Language:English
Subjects:
Care and treatment
Case Report
Case studies
Cellular biology
Cytoplasm
Diagnosis
Digestive system diseases
Granular cell tumor
histiocytes
inguinal
lymphocytes
Lymphocytes
Patient outcomes
Risk factors
Tumors
Citations: Items that cite this one
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Summary:A 63-year-old male presented with sudden increase in size of a right inguinal swelling which was present for the past 10 years. Clinical diagnosis of inguinal soft tissue mass/lymph node enlargement was made and patient was investigated further for a conclusive diagnosis. Ultrasound examination suggested it to be a lymph node and guided fine needle aspiration cytology was performed. Cytology was suggestive of a reactive lymph node. Subsequently, an excision biopsy was performed that revealed a granular cell tumor with many lymphoid aggregates. On reviewing the cytosmears, we realised that the granular neoplastic cells were mistaken for histiocytes; and the lymphoid background and bare nuclei mislead us to consider it a reactive lymph node. Since granular cell tumor can occur almost anywhere, a careful examination of cytosmears and knowledge of its distinctive cyto-morphological features would be helpful in providing an accurate diagnosis on cytology.
ISSN:0970-9371
0974-5165
DOI:10.4103/0970-9371.93229