Hydatid Cyst in Soft Tissues Mimicking Malignant Tumors

Primary Intramuscular Infestation of Echinococcus granulosusMisdiagnosed as a Soft Tissue Tumor

“…13 Our patient did not show any allergic reaction following fine needle aspiration. In the current case the size and rapid progression of the mass led to a clinical impression of a soft tissue tumor; however, the cytologic pattern allowed a straightforward diagnosis, confirming the experience recently described by other authors, 12 that fine needle aspiration cytology does not cause complications when thin-caliber needles are used.…”

“…In the English-language literature few cases of primary localization of intramuscular echinococcosis have been reported. [4][5][6][7][8][9][10][11][12] Our patient was diagnosed with hydatid disease by fine needle aspiration cytology. To the best of our knowledge, only 2 previous reports describe the cytologic features of extraabdominal hydatid disease in soft tissue 13 and muscle.…”

Fine Needle Aspiration Cytology of Hepatic Hydatid Cyst: A Case Study

“…In some cases, only laminated membranes were present in the inflammatory background 10-12. In the current case, protoscolices, hooklets, and laminated membranes were identified and the background showed necrotic debris and inflammatory cells.…”

Cytomorphological spectrum of hydatidosis with eosinophilia, clinically mimicking a malignancy: An uncommon presentation

“…Even in the earlier reports, rarely any case was clinically suspected with hydatidosis. [2–6] FNAC smears unraveled spectrum of cytomorphological features of hydatidosis, including presence of scolices, hooklets, lamellated wall, eosinophils and charcot-leyden (CL) crystals, the latter feature rarely documented in the cytological description of this parasitic lesion. Despite eosinophilia, fortunately the patient did not develop any allergic reaction.…”

“…[4–5] There have been instances where this lesion was mistaken for a malignancy, including cases of soft tissue hydatidosis that clinically mimicked as malignant tumors. [6]…”