| Occupational acne | |
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| Specialty | Dermatology  |
Occupational acne is caused by several different groups of industrial compounds, including coal tar derivatives, insoluble cutting oils, and chlorinated hydrocarbons (chlornaphthalenes, chlordiphenyls, and chlordiphenyloxides). [1] [2] :499
A skin condition, also known as cutaneous condition, is any medical condition that affects the integumentary system—the organ system that encloses the body and includes skin, hair, nails, and related muscle and glands. The major function of this system is as a barrier against the external environment.
Epidermolysis bullosa simplex (EBS), is a disorder resulting from mutations in the genes encoding keratin 5 or keratin 14.
Lichen spinulosus is a rare skin disorder characterized by follicular keratotic papules that are grouped into large patches. It is a variant of keratosis pilaris named for its resemblance to a patch of lichen.
Pili torti is characterized by short and brittle hairs that appear flattened and twisted when viewed through a microscope.
Tropical acne is unusually severe acne occurring in the tropics during seasons when the weather is hot and humid.
Excoriated acne is a mild acne accompanied by extensive excoriations.
Halogen acne is caused by iodides, bromides and fluorides (halogens) that induce an acneiform eruption similar to that observed with steroids.
Periorbital dermatitis is a skin condition, a variant of perioral dermatitis, occurring on the lower eyelids and skin adjacent to the upper and lower eyelids.
Prurigo gestationis is an eruption consisting of pruritic, excoriated papules of the proximal limbs and upper trunk, most often occurring between the 20th and 34th week of gestation.
Impetigo herpetiformis is a form of severe pustular psoriasis occurring in pregnancy which may occur during any trimester.
Erythema gyratum repens is a figurate erythema that is rapidly moving and usually a marker of underlying cancer, usually from the lung.
Keratitis–ichthyosis–deafness syndrome presents at birth/infancy and is characterized by progressive corneal opacification, either mild generalized hyperkeratosis or discrete erythematous plaques, and neurosensory deafness.
Acral fibrokeratoma is a skin lesion characterized by a pinkish, hyperkeratotic, hornlike projection occurring on a finger, toe, or palm.
Erosive pustular dermatitis of the scalp presents with pustules, erosions, and crusts on the scalp of primarily older Caucasian females, and on biopsy, has a lymphoplasmacytic infiltrate with or without foreign body giant cells and pilosebaceous atrophy.
Keratosis pilaris atrophicans faciei begins in infancy as follicular papules with perifollicular erythema. Initially, the lesions are restricted to the lateral eyebrows, but with time spread to involve the cheeks and forehead, and may also be associated with keratosis pilaris on the extremities and buttocks.
Keratosis follicularis spinulosa decalvans is a rare X-linked disorder described by Siemens in 1926, a disease that begins in infancy with keratosis pilaris localized on the face, then evolves to more diffuse involvement.
Pterygium inversum unguis is characterized by the adherence of the distal portion of the nailbed to the ventral surface of the nail plate. The condition may be present at birth or acquired, and may cause pain with manipulation of small objects, typing, and close manicuring of the nail. secondary due to connective tissue disorders
Pili annulati is a genetic trait in which the hair seems ‘banded‘ by alternating segments of light and dark color when seen in reflected light.
Alopecia mucinosa is a skin disorder that generally presents, but not exclusively, as erythematous plaques or flat patches without hair primarily on the scalp, neck and face. This can also be present on the body as a follicular mucinosis and may represent a systemic disease.
Papulonecrotic tuberculid is usually an asymptomatic, chronic skin disorder, presenting in successive crops, skin lesions symmetrically distributed on the extensor extremities.
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