Pseudoisomorphic phenomenon is seen in -
pseudo koebner's phenomenon:-Occurrence of new anisomorphic lesions in a linear fashion due to autoinoculation of virus along the lines of taruma. Seen in was, molluscum contagiosum koebner's phenomenon:Occurrence of new isomorphic lesions over the site of trauma.Seen in psoriasis,Lichen planus ,Vitiligo. IADVL textbook of dermatology page 107
Psoriasis
Lichen planus
Vitiligo
Plane Was
Papulosquamous disorders