The clinical and cytomorphological spectrum of hydatid disease

Abstract

IntroductionHydatid disease (HD) is caused by the tapeworm of the genus Echinococcus. Fine‐needle aspiration cytology (FNAC) is an expedient diagnostic technique that may be used for its rapid diagnosis.AimTo study the clinical and cytomorphological spectrum of HD diagnosed by cytology.Material and methodsA total of 24 patients diagnosed with HD on FNAC and fluid were studied over a period of 5.5 years. May Grunwald Giemsa, Periodic acid Schiff, and Haematoxylin and Eosin stained smears were studied and analysed for the cytomorphological spectrum of HD.ResultsAmongst the 24 patients studied, the mean age was 29.8 years (range 6‐64 years). There was equal sex preponderance with 12 males and 12 females. The most common organ involved was lung (54.1% of cases) followed by liver (25% of cases). Presence of laminated membranes (n‐20, 83.3%) followed by presence of hooklets (n‐13, 54.1%) were the common cytological features. Scolices and protoscolices representing endocyst were seen in 37.5% of cases (n‐9).ConclusionClinicians and pathologists should be aware of the clinical and morphological spectrum of HD respectively for immediate diagnosis followed by prompt management.

Hidatidosis pélvica primaria

“…La mayoría de los casos ha sido descrita en pacientes entre 20 y 40 años. Los quistes hidatídicos primarios son muy raros y se producen cuando un quiste primario sufre ruptura y resolución espontánea, pero el contenido entra a la circulación y produce otro quiste, denominado quiste primario (10). Los ovarios son más frecuentemente afectados que el útero (11).…”

A rare case of hydatid cyst of the neck with concurrent pulmonary hydatid disease

“…Traditionally, FNAC has not been recommended as a diagnostic tool in suspected hydatid cases due to the risk of anaphylaxis following cyst rupture and inadequate tissue for de nitive diagnosis (Bitton et al 1992). However, FNAC has increasingly been used to diagnose hydatidosis without any reported complications (Yalavarthi et al 2013;Kim et al 2013;Kapatia et al 2020). In our case, as the neck swelling clinically appeared like a cervical lymph node, we did FNAC to achieve diagnosis.…”

A Fatal and Rare Case of Hydatid Cyst in the Pouch of Douglas

“…Once ingested, the larvae pass into the bloodstream through the intestinal mucosa and develop into slow-growing hydatid cysts containing many thousands of protoscolices that form daughter cysts. 3 Although cyst formation can occur in any part of the human body, the most common location is the liver, followed by lungs. Three-fourths of infected individuals develop one or more hepatic cysts, which grow slowly.…”