Abstract
Rhinoscleroma, a chronic progressive inflammatory disease of the upper respiratory tract, has a prolonged course and passes through three overlapping clinicopathologic stages. The histopathology findings are well illustrated in the literature; however, there is a paucity of reports explaining cytomorphological features of rhinoscleroma. It is the proliferative stage when disease presents as a nodular mass which can be targeted for cytological study. Here, the authors report fine-needle aspiration (FNA) cytology of four cases of rhinoscleroma who presented with intranasal firm, nodular lesions; its cytology revealed numerous, large, singly scattered histiocytes in a dense inflammatory background of lymphocytes, plasma cells, and few eosinophils. The microorganisms were visualized as intracytoplasmic loosely clustered, short rods within the histiocytes (Mikulicz cells) in May-Grunwald-Giemsa (MGG) smears. FNA sampling of rhinoscleroma in its nodular stage can yield classic cytomorphology with demonstration of organisms on air-dried smears which can further substantiate the cytodiagnosis. Thus, high index of suspicion and diligent search can aid in early and accurate diagnosed even on cytology with the help of conventional wet fixed Pap and air-dried MGG stain; both being complementary to each other and further can be supported with special stains such as periodic acid–Schiff stain or Gram whenever required.
Published Version
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