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Keratoderma is a hornlike skin condition.
Kindler syndrome is a rare congenital disease of the skin caused by a mutation in the KIND1 gene.
Pili torti is characterized by short and brittle hairs that appear flattened and twisted when viewed through a microscope.
Keratitis–ichthyosis–deafness syndrome, also known as ichthyosiform erythroderma, corneal involvement, and deafness, presents at birth/infancy and is characterized by progressive corneal opacification, either mild generalized hyperkeratosis or discrete erythematous plaques, and neurosensory deafness.
Tufted folliculitis presents with doll's hair-like bundling of follicular units, and is seen in a wide range of scarring conditions including chronic staphylococcal infection, chronic lupus erythematosus, lichen planopilaris, Graham-Little syndrome, folliculitis decalvans, acne keloidalis nuchae, immunobullous disorders, and dissecting cellulitis.
In racquet nails, the nail plate is flattened, the end of the thumb is widened and flattened, and the distal phalanx is abnormally short. In racquet nails, the width of the nail bed and nail plate is greater than their length. The condition is painless and asymptomatic.
Tooth and nail syndrome is a rare disorder, first described in 1965, characterized by nails that are thin, small, and friable, and which may show koilonychia at birth.
Tricho–rhino–phalangeal syndrome type 2 is a genetic disorder consisting of fine and sparse scalp hair, thin nails, pear-shaped broad nose, and cone-shaped epiphyses of the middle phalanges of some fingers and toes.
Epidermal nevus syndrome is a rare disease that was first described in 1968 and consists of extensive epidermal nevi with abnormalities of the central nervous system (CNS), skeleton, skin, cardiovascular system, genitourinary system and eyes. However, since the syndrome's first description, a broader concept for the "epidermal nevus" syndrome has been proposed, with at least six types being described:
Nevus comedonicus syndrome is a skin condition characterized by a nevus comedonicus associated with cataracts, scoliosis, and neurologic abnormalities.
Painful bruising syndrome is an idiopathic trauma-induced condition seen in young to middle-aged women who sometimes manifest personality disorders. It is characterized by a distinctive localized purpuric reaction occurring primarily on the legs, face and trunk, with recurring painful ecchymoses variably accompanied by syncope, nausea, vomiting, gastrointestinal and intracranial bleeding.
Gougerot–Blum syndrome is a variant of pigmented purpuric dermatitis, a skin condition characterized by minute, rust-colored to violaceous, lichenoid papules that tend to fuse into plaques of various hues. Relative to other variants, it is characterized clinically by a male predominance, pruritus, with a predilection for the legs, and histologically, it features a densely cellular lichenoid infiltrate.
A sebaceous adenoma, a type of adenoma, a cutaneous condition characterized by a slow-growing tumor usually presenting as a pink, flesh-coloured, or yellow papule or nodule.
Trichilemmoma is a benign cutaneous neoplasm that shows differentiation toward cells of the outer root sheath. The lesion is often seen in the face and neck region. Multifocal occurrence is associated with Cowden syndrome, in which hamartomatous intestinal polyposis is seen in conjunction with multiple tricholemmoma lesions.
A trichodiscoma is a cutaneous condition, a benign, usually skin-colored tumor most often affecting the face and upper trunk.
SAHA syndrome, is a medical syndrome characterized by seborrhoea, acne, hirsutism and alopecia, and was first described in 1982. It is frequently associated with polycystic ovary syndrome, cystic mastitis, obesity, and infertility.
Wende–Bauckus syndrome is a cutaneous condition characterized by tiny white macules on the trunk with confluence within flexures.
Favre–Racouchot syndrome is a solar elastotic disorder consisting of multiple open comedones that occurs in skin damaged by sunlight, especially under and lateral of the eyes. The comedones are widened openings for hair follicles and sebaceous glands filled with material.
Pseudomonas hot-foot syndrome is a self-limited cutaneous condition that occurs on the plantar surface of children after swimming in pool water that has high concentrations of P. aeruginosa. The condition typically presents as plantar purple-red nodules.
Limb–mammary syndrome is a cutaneous condition characterized by p63 mutations.
References
- ↑ Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. p. 831. ISBN 978-1-4160-2999-1.
- ↑ Schneiderman, Paul; Grossman, Marc (2006). A Clinician's Guide to Dermatologic Differential Diagnosis, Volume 1: The Text. CRC Press. p. 540. ISBN 9780203090527.
