Surgical neurology international · 2024
A case report of an unusual cerebral hydatid cyst.
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Ahmed Mubasher, Basurrah Abdulaziz A, Brinji Zaina Siraj, Albargi Naseem, El-Fattah Mona Abd, Alnashiwaaty Omar, Aljohani Mona Shadad, Alkhotani Alaa, Farag Ahmed Adel
Аннотация
BACKGROUND: Intracranial hydatid cyst is an exceedingly uncommon condition. Typically, it manifests as hydatid cysts in the liver, lungs, kidney, and spleen. In this report, we present a rare case of a hydatid cyst located in the brain, exhibiting atypical radiological characteristics, and successfully treated with complete microsurgical excision.
CASE DESCRIPTION: A 45-year-old male, a former smoker, presented with a new-onset seizure. Brain imaging revealed a solitary, intra-axial, and cystic lesion with wall enhancement in the right temporal region. The cyst extended into the temporal horn of the right lateral ventricle, surrounded by mild edema. Differential diagnoses included brain metastasis, abscess, and tuberculoma. However, following computed tomography (CT) scans of the chest, abdomen, and pelvis (CAP) and serological tests, the provisional diagnosis included a hydatid cyst. The CT CAP showed diffuse non-specific cystic lesions of variable sizes in the liver and spleen, along with numerous bilateral pulmonary cysts. A right temporal craniotomy was performed, and the cyst was microsurgically excised without rupture. Microscopic and histopathological examination confirmed the presence of a hydatid cyst.
CONCLUSION: Intracranial hydatid cyst is an extremely rare condition and should always be considered a possible differential diagnosis in cases of cerebral cystic lesions. Hydrodissection is the preferred surgical method for resection; however, in atypical cases such as the one described here, meticulous dissection of the cyst capsule from the brain parenchyma may be successful with minimal risk of intraoperative rupture.
CASE DESCRIPTION: A 45-year-old male, a former smoker, presented with a new-onset seizure. Brain imaging revealed a solitary, intra-axial, and cystic lesion with wall enhancement in the right temporal region. The cyst extended into the temporal horn of the right lateral ventricle, surrounded by mild edema. Differential diagnoses included brain metastasis, abscess, and tuberculoma. However, following computed tomography (CT) scans of the chest, abdomen, and pelvis (CAP) and serological tests, the provisional diagnosis included a hydatid cyst. The CT CAP showed diffuse non-specific cystic lesions of variable sizes in the liver and spleen, along with numerous bilateral pulmonary cysts. A right temporal craniotomy was performed, and the cyst was microsurgically excised without rupture. Microscopic and histopathological examination confirmed the presence of a hydatid cyst.
CONCLUSION: Intracranial hydatid cyst is an extremely rare condition and should always be considered a possible differential diagnosis in cases of cerebral cystic lesions. Hydrodissection is the preferred surgical method for resection; however, in atypical cases such as the one described here, meticulous dissection of the cyst capsule from the brain parenchyma may be successful with minimal risk of intraoperative rupture.