integumentary system disease
   |__skin disease
       |__keratosis  21 rec.
           |__acquired hyperkeratosis
           |__acrokeratosis verruciformis 1 rec.
           |__cholesteatoma
           |   |__cholesteatoma of external ear
           |   |__cholesteatoma of middle ear(+)
           |   |__hereditary papulotranslucent acrokeratoderma
           |   |__maxillary sinus cholesteatoma
           |__keratosis follicularis 2 rec.
           |__mutilating palmoplantar keratoderma with periorificial keratotic plaques 2 rec.
           |   |__autosomal dominant mutilating palmoplantar keratoderma with periorificial keratotic plaques 1 rec.
           |   |__X-linked mutilating palmoplantar keratoderma with periorificial keratotic plaques 1 rec.
           |__palmoplantar keratosis 16 rec.
           |   |__epidermolytic palmoplantar keratoderma(+)
           |   |__focal palmoplantar and gingival keratosis
           |   |__keratosis palmoplantaris striata(+) 1 rec.
           |   |__mal de Meleda
           |   |__nonepidermolytic palmoplantar keratoderma(+) 15 rec.
           |   |__punctate palmoplantar keratoderma(+) 1 rec.
           |__porokeratosis 1 rec.
           |__seborrheic keratosis 1 rec.
               |__inflamed seborrheic keratosis
               |__inverted follicular keratosis(+)
               |__melanoacanthoma
               |__vulvar seborrheic keratosis(+)