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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.