PMC6385745_01
(A and B) Preoperative plain radiograph showing multiple irregular radiopaque densities in the medial aspect of right thigh.. Note: The arrow is pointing to multiple irregular radiopaque densities.
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Plain radiographs of the right femur showed multiple irregular radiopaque densities (Figure 1).
Preoperative magnetic resonance imaging showing multiple elongated tubular tracts in subcutaneous tissue of thigh.. Notes: Axial (A, A1) and coronal (B, A2) T1-weighted images showing low signal intensity. Axial (C, B1) and coronal (D, B2) T2-weighted images showing high signal intensity. The arrow is pointing to multiple elongated tubular tracts.
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Lesions showed low signal intensity on T1-weighted images, and high signal intensity on T2-weighted images (Figure 2).
(A and B) Total surgical excision was performed.. Notes: A long, wrinkled, whitish worm ~24 cm in length and 3 mm in width was removed from the medial aspect of right thigh.
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A long, wrinkled, whitish worm ~24 cm in length and 3 mm in width was removed (Figure 3).
The histology structures of plerocercoid from the thigh was a characteristic thick eosinophilic uniform tegumental structure of sparganum with underlying stout muscle bundles (H&E stain, x200).. Note: The parasite was histopathologically identified as Spirometra mansoni.
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The parasite was histopathologically identified as Spirometra mansoni (Figure 4).