case_images: PMC5406200_01
case_images: Photograph shows a subcutaneous lesion measuring 2 cm x 2 cm.
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case_images: A 1 year and 10 months old boy from Ragama, Gampaha District, Western Province of Sri Lanka, was presented to a private hospital with a painless, non-pruritic and ill-defined subcutaneous nodule on his right hypochondrial region of the anterior abdominal wall (Figure 1) for 1-week duration.
case_images: High-resolution ultrasonography image shows linear hyper-echoic lesions, that is, worm within the subcutaneous nodule.
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case_images: The magnified image demonstrated a coiled structure with parallel echogenic walls, which showed active movement within the nodule (Figure 2).
case_images: Adult worm of Dirofilaria repens (10.5 cm) recovered from the nodule.
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case_images: Parasitological examination confirmed the presence of Dirofilaria repens measuring 10.5 cm in length (Figure 3) having characteristic cuticle with longitudinal ridges (Figures 4-6).
case_images: Photograph on glycerin wet mount fixed with formalin shows multilayered cuticle with distinct longitudinal ridges.
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case_images: Parasitological examination confirmed the presence of Dirofilaria repens measuring 10.5 cm in length (Figure 3) having characteristic cuticle with longitudinal ridges (Figures 4-6).
case_images: Hematoxylin-eosin stained longitudinal section of D. repens worm showing thick multilayered cuticle and muscle cell layer.
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case_images: fig5-2050313X17701373
case_images: Parasitological examination confirmed the presence of Dirofilaria repens measuring 10.5 cm in length (Figure 3) having characteristic cuticle with longitudinal ridges (Figures 4-6).
case_images: Transverse section of D. repens with the arrangement of the longitudinal muscles and the multilayered cuticle.
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case_images: fig6-2050313X17701373
case_images: Parasitological examination confirmed the presence of Dirofilaria repens measuring 10.5 cm in length (Figure 3) having characteristic cuticle with longitudinal ridges (Figures 4-6).