PMC6168931_01
Lateral radiographs of the right forearm showing a well-defined benign lesion in the soft tissue.
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A lateral plain radiograph revealed a well-defined benign lesion with very thin calcified wall containing a multilocular mass mixed with coarse trabeculae that was not in contact with the bone in the soft tissue of the right forearm (Fig. 1).
Ultrasonography image revealing large multilocular soft tissue cystic lesions (multiple daughter cysts) of the right forearm lesion.
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An ultrasound showed multilocular soft tissue cystic lesions (multiple daughter cysts) (Fig. 2).
Axial computed tomography scans of the right mid-forearm revealing a well-defined hyperdense capsule with multilocular cystic lesions (multiple daughter cysts) without any bony destruction.
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A CT scan without contrast and an MRI of the right forearm revealed a well-defined hyperdense capsule with a multilocular cystic lesion (multiple daughter cysts) and there were no signs of bone destruction (Fig. 3).
(A) T1 and (B) T2 magnetic resonance imaging of the right mid-forearm revealing a hypointense and hyperintense multilocular cyst with a low-intensity rim suggestive of an intramuscular hydatid cyst in the middle third between the flexor digitorum profundus and the flexor digitorum superficialis.
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T2-weighted images revealed a hypointense and hyperintense multilocular cyst with a low-intensity rim, suggestive of an intramuscular hydatid cyst (Fig. 4a) (Fig. 4b). The patient was advised to take albendazole for 8 weeks to be followed by possible surgery after 2 months.
(A) and (B) Intraoperative photographs of the exposed hydatid cyst.
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A blunt dissection was performed; the mass was identified below the flexor digitorum superficialis muscle and adherent to the belly of the flexor digitorum profundus muscle (Fig. 5).
Intraoperative photograph of the hydatid cyst after excision.
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The whole mass was excised in an en bloc manner without rupturing the cyst or damaging the median nerve (Fig. 6).