Occupational Dermatoses Slides 81 to 85

Slides 81 to 85

Slide 81 – Tick bite reaction

This reaction is fairly typical and may persist for 1 to 2 weeks before subsiding. In addition some ticks are vectors for Rocky Mountain spotted fever and other rickettsial diseases.

Slide 82 – Nail disorder, traumatic

The spectrum of occupational dermatoses also includes work-related disorders of the hair and nails. Frequently these are the result of trauma, but may also include infections, inflammatory reactions and discoloration.

Slide 83 – Wet work, nails

Jobs that require repeated exposure to wet work frequently result in paronychial infections. These painful fingernail folds often harbor both

Slide 84 – Kerion

This farm worker developed a kerion of the scalp due to infection with Trichophyton verrucosum. The involved scalp has become boggy and edematous.

Slide 85 – Traumatic alopecia

Long hair presents a special hazard among machine tool operators; entanglement can result in avulsion and traumatic alopecia.