case_images: PMC6766119_01
case_images: Cutaneous mass of the right thigh.
case_images: CRIPE2019-3476508.001.jpg
case_images: PMC6766119_01_CRIPE2019-3476508.001.jpg
case_images: fig1
case_images: An 11-day-old male was referred for evaluation of a cutaneous mass of the right upper lateral thigh (Figure 1).
case_images: Excision of mass and primary closure.
case_images: CRIPE2019-3476508.002.jpg
case_images: PMC6766119_01_CRIPE2019-3476508.002.jpg
case_images: fig2
case_images: Primary closure was performed after undermining with recruitment of local tissue (Figure 2).
case_images: Histopathology with hematoxylin and eosin staining. Scanning view (1x magnification) shows a dermal proliferation of spindled cells with lighter and darker areas.
case_images: CRIPE2019-3476508.003.jpg
case_images: PMC6766119_01_CRIPE2019-3476508.003.jpg
case_images: fig3
case_images: The final pathology revealed the diagnosis of infantile myofibroma (Figures 3-7).
case_images: Low power view (5x magnification) shows a nodular/multinodular tumor with a zonal appearance of hypercellular areas in the center and hypocellular areas at the periphery.
case_images: CRIPE2019-3476508.004.jpg
case_images: PMC6766119_01_CRIPE2019-3476508.004.jpg
case_images: fig4
case_images: The final pathology revealed the diagnosis of infantile myofibroma (Figures 3-7).
case_images: Higher power view (10x magnification) shows a multinodular, biphasic tumor with alternating hyper and hypocellular areas.
case_images: CRIPE2019-3476508.005.jpg
case_images: PMC6766119_01_CRIPE2019-3476508.005.jpg
case_images: fig5
case_images: The final pathology revealed the diagnosis of infantile myofibroma (Figures 3-7).
case_images: High-power view (20x magnification) shows numerous hemangiopericytoid slit-like vessels in the center of the tumor.
case_images: CRIPE2019-3476508.006.jpg
case_images: PMC6766119_01_CRIPE2019-3476508.006.jpg
case_images: fig6
case_images: The final pathology revealed the diagnosis of infantile myofibroma (Figures 3-7).
case_images: Staining for smooth muscle actin shows that myofibroblastic areas (myoid component) are positive while the fibroblastic areas (nonmyoid areas) are negative (10x magnification).
case_images: CRIPE2019-3476508.007.jpg
case_images: PMC6766119_01_CRIPE2019-3476508.007.jpg
case_images: fig7
case_images: The final pathology revealed the diagnosis of infantile myofibroma (Figures 3-7).