The Egyptian Journal of Radiology and Nuclear Medicine (Jan 2024)

Unusual site of echinococcosis: axillary hydatid cyst—a case report

  • Fatma Hammami,
  • Makram Koubaa,
  • Khaoula Rekik,
  • Fatma Smaoui,
  • Chakib Marrakchi,
  • Mounir Ben Jemaa

DOI
https://doi.org/10.1186/s43055-024-01185-3
Journal volume & issue
Vol. 55, no. 1
pp. 1 – 3

Abstract

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Abstract Background Echinococcosis is a multisystem disease that might affect all organs, especially the liver and the lungs among adults. Axillary hydatid cyst, an extremely uncommon disease, was rarely reported in the literature. We report herein a case of axillary hydatid cyst which revealed a disseminated hydatid disease among a previously healthy woman. Case presentation A previously healthy woman, aged 53 years old, presented with a painful mass in her right axillary region. Physical examination revealed a painful semi-mobile right axillary mass, of 12 cm in size. Thoracoabdominal computed tomography scan revealed numerous cystic lesions: right axillary, pulmonary, hepatic, pancreatic, splenic and intraperitoneal lesions. The diagnosis of disseminated hydatid disease was suspected in front of the cystic lesions and the positive serology result for hydatid disease. An excisional biopsy of the axillary mass lesion was performed, confirming the diagnosis of a hydatid cyst. The patient received albendazole after hospital discharge. Conclusions Although axillary hydatid cyst is an extremely uncommon disease, the diagnosis should be rule out in front of the presence of a mass in the axillary region. Imaging results associated with serological tests might suspect the diagnosis, which can only be confirmed with parasitological or/and histopathological examination. Its management include surgical and medical therapy.

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