case_images: PMC11813040_01
case_images: Initial medical photograph of the lesion. (A) A solitary lesion on the left flank with a centrally elevated, pigmented, rounded nodule. (B) A close-up image of the lesion showing a 7.5 x 6 cm mass.
case_images: medi-104-e41339-g001.jpg
case_images: PMC11813040_01_medi-104-e41339-g001.jpg
case_images: F1
case_images: She first noticed the lesion about 10 years ago, and the mass had gradually increased in size (Fig. 1).
case_images: Computed tomography scan revealing a 5.7 x 8.4 x 5.8 cm fatty mass (yellow arrow) in the subcutaneous layer of the left lower flank. (A) Cross-sectional view and (B) coronal view.
case_images: medi-104-e41339-g002.jpg
case_images: PMC11813040_01_medi-104-e41339-g002.jpg
case_images: F2
case_images: However, computed tomography (CT) scan, showed a 5.7 x 8.4 x 5.8 cm fatty mass in the subcutaneous layer of the left lower flank suggesting a benign subcutaneous lipoma (Fig. 2).
case_images: Postoperative medical photograph showing the mass removed from the subcutaneous layer and the wound closed in layers.
case_images: medi-104-e41339-g003.jpg
case_images: PMC11813040_01_medi-104-e41339-g003.jpg
case_images: F3
case_images: The wound was closed in layers (Fig. 3).
case_images: The specimen was sent for histopathological examination. (A) An 8.7 x 6.0 x 6.0 cm mass, including the attached skin, was excised. (B) The specimen consists of yellowish, soft fatty tissue.
case_images: medi-104-e41339-g004.jpg
case_images: PMC11813040_01_medi-104-e41339-g004.jpg
case_images: F4
case_images: An 8.7 x 6.0 x 6.0 cm mass composed of yellowish, soft fatty tissue was sent for histopathological examination (Fig. 4).
case_images: Histological image demonstrating an aggregation of mature adipocytes in the reticular dermis under the microscope in x40 magnification. No glandular tissue was observed.
case_images: medi-104-e41339-g005.jpg
case_images: PMC11813040_01_medi-104-e41339-g005.jpg
case_images: F5
case_images: These findings established the final diagnosis as the solitary form of NLS (Fig. 5).
case_images: Medical photograph taken 1 mo after surgical excision. No recurrence was observed at the 6-mo follow-up. (A) Lateral view and (B) posterior view.
case_images: medi-104-e41339-g006.jpg
case_images: PMC11813040_01_medi-104-e41339-g006.jpg
case_images: F6
case_images: At the 6-month follow-up, the patient remained symptom-free, with no evidence of lesion regrowth or recurrence of cyclic pain. (Fig. 6).