Figure legends
Figure 1.
  1. Clinical features of skin in Case 1-3
  2. Histopathological findings with hematoxylin and eosin staining of skin biopsy in Case 1-3.
  3. Direct immunofluorescence for IgG of skin biopsy in Case 1-3.
Figure 2.
  1. Computed tomography of brain in Case 1. ; chronic subdural hematoma.
  2. Computed tomography of lung in Case 2. ; multiple nodular lesions in the middle to lower lobes of both lung.
  3. Computed tomography of abdomen in Case 2. ; suspected ascending colon : red arrow, para-aortic lymphadenopathy : yellow arrows)