Tuberous sclerosis complex combined with primary lymphedema: A case report

Figure 2 ⁹⁹Tc^m-DX-lymphoscintigraphy: The imaging agent was diffusely and unevenly distributed in the right lower limb, waist, buttocks, and external genital area (orange arrow). The lymphatic vessels in the right lower limb were not visualized, and the right inguinal, iliac, and lumbar lymphatic vessels and lymph nodes were not visualized (orange dashed arrow).