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KMID : 1103720090610030183
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Journal of the Korean Society of Radiology
2009 Volume.61 No. 3 p.183 ~ p.187
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Ultrasonographic Findings of Subcutaneous and Muscular Sparganosis
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Park Hee-Jin
Park Noh-Hyuck
Lee Eun-Ja
Park Chan-Sup
Lee Sung-Moon
Park Seong-Il
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Abstract
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Purpose: This study was deigned to evaluate the ultrasonographic findings of subcutaneous and intramuscular sparganosis.
Materials and Methods : Nine cases of histologically proven subcutaneous and intramuscular sparganosis lesions in seven patients (mean patient age, 59 years; M:F = 6:1) were reviewed retrospectively. Two patients had recurrent sparganosis. A color Doppler examination was performed in all cases.
Results: A prior history of ingestion of raw snake meat was noted for two patients. Patients presented with a palpable mass and induration (n = 7) and dull pain (n = 4). Lesion locations were in the thigh (n = 4), lower leg (n = 2), chest wall (n = 1), an inguinal location (n = 1) and the neck (n = 1). Five lesions were in the subcutaneous fat layer and four lesions had intramuscular locations. Calcification was noted in two cases. All cases showed heterogeneous hypoechoic serpiginous tubular-and-oval lesions. The lesions were conglomerated or discrete in appearance. All nine cases showed the presence of lesions with a multi-layered wall with variable intraluminal echogenicity, at least in one segment of the lesion. Increased vascularity was noted on color Doppler examinations in two patients with pain.
Conclusion: Subcutaneous or intramuscular sparganosis should be included in the differential diagnosis when a serpiginous tubular-and-oval lesion is noted that is seen with a multi-layered wall with variable intraluminal echogenicity.
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KEYWORD
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Soft Tissues, Sparganosis, Parasites, Ultrasonography
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