case_images: PMC11282511_01
case_images: (a) Gray-scale and (b) color Doppler ultrasound images showed a hyperechoic mass (asterisks), with interlobular septa (arrows), attached to the perineal soft tissue (arrowheads).
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case_images: Ultrasound revealed that the right labia majora area had a heterogeneous echogenic space-occupying mass with large multi-arc borders and quite clear boundaries, no vascular signal, about 8 x 11 x 16 cm in size, and no communication with the abdomen through the inguinal region (see Figure 1).
case_images: MR images showed that the lesion (asterisks) had a signal intensity similar to adipose tissue, had thin septa (arrows) and was divided into lobes, attached to the right perineum (arrowheads), without enhancement of contrast agent.
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case_images: Computed tomography (CT) and magnetic resonance imaging (MRI) showed a signal mass of adipose tissue consisting of multiple fat lobes with thin walls and septa, without involvement of the abdominal omentum (see Figures 2 and 3).
case_images: Non-enhanced CT scan images in (a) axial, (b) coronal, (c) sagittal planes; (d) 3D reconstruction showed the mass with fat density (asterisks), with multiple lobed septa (arrows), attached to the right labia majora (arrowheads).
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case_images: Computed tomography (CT) and magnetic resonance imaging (MRI) showed a signal mass of adipose tissue consisting of multiple fat lobes with thin walls and septa, without involvement of the abdominal omentum (see Figures 2 and 3).
case_images: The patient (a) photograph and (b) operative specimen showed that the lesion had a characteristic yellow color of fat and had many lobes (asterisks), and excess skin in the labia majora (yellow arrow) was cosmetically cut along with the mass.
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case_images: The surgical gross specimen showed a yellow multilobular lipoma-like mass with excess skin (see Figure 4).
case_images: Microscopic image (Hematoxylin & Eosin stain, 400x magnification) showed that the tumor tissue consists of benign fat cells with bright plasma cells, small nuclei shifted toward the periphery, and unclear cell membranes (asterisk). These cells form clusters separated by collagen fiber tissue (arrow).
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case_images: Histopathology showed that the cut edges were free of tumor cells, and the tumor consisted of benign fat cells arranged in clusters separated by collagenous fibrous tissue, confirming the diagnosis of benign lipoma (see Figure 5).