Mild inflammatory cell infiltrate along the dermoepidermal junction (black arrow in image)
Vacuolization within the basal keratinocytes (white arrow in image)
Often necrotic, predominantly basal, individual keratinocytes, manifesting as colloid or Civatte bodies
Acute graft-versus-host-disease
Vacuolar alteration of various severity, from focal or diffuse vacuolation of the basal keratinocytes (grade I), to separation at the dermoepidermal junction (grade III)
^ abcdefUnless else specified in boxes, reference is: Alsaad, K O (2005). "My approach to superficial inflammatory dermatoses". Journal of Clinical Pathology. 58 (12): 1233–1241. doi:10.1136/jcp.2005.027151. ISSN0021-9746.