Case Report
Copyright ©The Author(s) 2025.
World J Gastrointest Surg. Mar 27, 2025; 17(3): 102174
Published online Mar 27, 2025. doi: 10.4240/wjgs.v17.i3.102174
Figure 1
Figure 1 Melanin pigmentation of skin and mucosa of this patient. A: The patient had a spot of melanin pigmentation in the buccal mucosa on the right side; B: The left buccal mucosa of the patient was normal without pigmentation; C: The patient's lower lip was marked with melanin pigmentation, but the color was light; D-F: Pigmentation of the patient's hands; G: Pigmentation of the patient's perineum. White circles outline areas of pigmentation.