case_images: PMC10684255_01
case_images: Physical examination revealed the extended purpura on the scalp at the baseline (a), 3 months (b) and 9 months (c) after the administration pembrolizumab. PET-CT showed multiple mediastinal lymph nodes (arrowhead) of metastases (d).
case_images: cro-2023-0016-0001-534657_F01.jpg
case_images: PMC10684255_01_cro-2023-0016-0001-534657_F01.jpg
case_images: F1
case_images: Physical examination revealed the extended purpura on the scalp (Fig. 1a). Positron emission tomography (PET)-computed tomography (CT) showed multiple mediastinal lymph node of metastases (Fig. 1d). The administration of pembrolizumab was well tolerable and efficacy at 3 months (Fig. 1b), 6 months was stable disease, but 9 months later, the purpuric lesion as well as other nodules were detected around the scalp (Fig. 1c), and lung metastasis and pleural lesion were detected by follow-up PET-CT.