BACKGROUND:Rhinosporidiosis, a fungal infection due to Rhinosporidium seeberi, frequently produces polypoidal lesions in the nose. Sites like the conjunctiva, larynx, trachea, nasopharynx, skin and genitourinary tract are less frequently involved. Generalized rhinosporidiosis with skin and visceral involvement is extremely rare. This report describes the fine needle aspiration cytology (FNAC) of rhinosporidiosis occurring as a solitary lesion with erosion of cortical bone.

CASE REPORT:FNAC of a soft tissue swelling overlying a lytic lesion on the anterior aspect of the tibia was performed in a 40-year-old male. Smears revealed numerous sporangia and spores of R seeberi. There were no mucocutaneous lesions. Histologic examination confirmed the bony involvement.

CONCLUSION:The FNAC diagnosis of rhinosporidiosis is specific. Preoperative diagnosis is possible even in cases with unusual clinical presentations.

译文

背景 : 鼻孢子虫病是由seeberi鼻孢子虫引起的真菌感染,经常在鼻子中产生息肉样病变。结膜,喉,气管,鼻咽部,皮肤和泌尿生殖道等部位较少受累。皮肤和内脏受累的全身性鼻孢子虫病极为罕见。本报告描述了鼻孢子虫病的细针穿刺细胞学检查 (FNAC),该检查是孤立的皮质骨侵蚀病变。
病例报告 : 在40岁的男性中,对胫骨前部的溶解性病变进行了软组织肿胀的FNAC。涂片显示出许多孢子囊和R seeberi的孢子。没有皮肤粘膜病变。组织学检查证实了骨受累。
结论 : 鼻孢子虫病的FNAC诊断是特异性的。即使在临床表现异常的情况下,也可以进行术前诊断。

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