72,234 articles
Derek Yach
Derek Yach is a South African global health expert who was WHO Executive Director for Noncommunicable Diseases, led the Framework Convention on Tobacco Control, and later taught at Yale.
Derick T Wade
Derick T Wade, also known as Derick Wade, is a physician in rehabilitation medicine known for his 1983 Lancet paper on stroke care and work defining rehabilitation.
Derlin
Derlins (Der1, Derlin-1/2/3) are inactive rhomboid-like ER membrane proteins mediating ERAD retrotranslocation of misfolded proteins to the proteasome, partners of Hrd1 and p97, exploited by viruses and toxins and linked to cancer and liver disease.
Dermabrasion
Dermabrasion is a surgical skin-resurfacing procedure in which a rotating brush or diamond fraise planes away skin to treat acne scars, wrinkles, and rhinophyma, developed by Abner Kurtin in 1953.
Dermacentor
Dermacentor is a genus of about 40 hard tick species (Ixodidae) with ornate scuta, short mouthparts, eyes, and festoons; key vectors of Rocky Mountain spotted fever, Colorado tick fever, tularemia, and tick paralysis, including D. variabilis and D. andersoni.
Dermacentor andersoni
Dermacentor andersoni, the Rocky Mountain wood tick (Stiles 1908), is a large ornate hard tick of the western US and southwestern Canada transmitting Rocky Mountain spotted fever, Colorado tick fever, and tularemia and causing tick paralysis; distinguished from D. variabilis by 100–200 moderate spiracular goblets.
Dermacentor variabilis
Dermacentor variabilis, the American dog tick (formerly Ixodes variabilis), is a North American hard tick, primary US vector of Rocky Mountain spotted fever and tularemia, a three-host tick, not a Lyme vector.
Dermal chromatophore
Dermal chromatophore unit: layered skin structure of xanthophores, iridophores, and melanophores in ectothermic vertebrates, described by Bagnara, Taylor, and Hadley (1968), mediating rapid color change by melanosome movement.
Dermal melanocytosis
Dermal melanocytosis, formerly called Mongolian blue spots, is a benign flat blue or blue-gray birthmark present at birth, usually on the lower back, that fades by early childhood.
Dermanyssus gallinae
Dermanyssus gallinae, the poultry red mite or chicken mite, is a nocturnal blood-feeding mite of birds hiding in poultry-house cracks; completes its life cycle in as few as 7 days, survives months without feeding, and shows widespread acaricide resistance.
Dermaptera
Dermaptera is the insect order known as earwigs, cosmopolitan insects with forceps-like abdominal pincers, short leathery forewings, and unusual maternal care of eggs and nymphs.
Dermatitis
Dermatitis, synonymous with eczema, is inflammation of the skin with spongiotic histology, covering atopic, contact, and seborrhoeic types; treated with emollients, topical corticosteroids, calcineurin inhibitors, biologics, and JAK inhibitors.
Dermatitis herpetiformis
Dermatitis herpetiformis, also called Duhring disease, is a chronic, intensely itchy blistering skin disease caused by IgA deposits and considered the cutaneous manifestation of celiac disease.
Dermatitis of feet
Dermatitis of feet (foot eczema, foot dermatitis) is eczematous inflammation predominantly affecting the feet, most often allergic contact dermatitis from footwear allergens such as rubber chemicals and chromate, distinguished from tinea pedis and psoriasis by patch testing, KOH, and biopsy.
Dermatitis of hands
Dermatitis of hands, or hand eczema, is a common acute or chronic eczematous skin inflammation of the hands and wrists, often occupational, driven by irritants, contact allergy, and atopy, and frequently chronic.
Dermatobia hominis
Dermatobia hominis, the human botfly (torsalo, berne), is a Neotropical Oestridae fly whose larvae cause furuncular myiasis; eggs are glued to mosquitoes, larvae develop 5-10 weeks under skin, from Mexico to Argentina.
Dermatofibroma
Dermatofibroma (fibrous histiocytoma) is a common benign dermal nodule of spindle fibrocytes, usually under 1 cm on the lower legs, with a dimple sign, central white dermoscopic patch, and FXIIIa-positive/CD34-negative staining.
Dermatofibrosarcoma protuberans
Dermatofibrosarcoma protuberans (DFSP), also called Darier-Ferrand tumor, is a rare low-grade cutaneous sarcoma driven by the t(17;22) COL1A1-PDGFB fusion; treated by Mohs or wide excision, with imatinib for unresectable disease.
Dermatographic urticaria
Dermatographic urticaria, also called symptomatic dermographism or urticaria factitia, is a chronic inducible urticaria in which stroking or scratching the skin produces itchy linear wheals within about 5 minutes, diagnosed by provocation testing and treated with antihistamines.
Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]
Dermatologic Surgery (ISSN 1076-0512) is a monthly peer-reviewed journal founded in 1975 by Perry Robins, official journal of ASDS, American College of Mohs Surgery, ISHRS, and DASIL, published by Wolters Kluwer.
Dermatologic Surgical Procedures
Dermatologic surgical procedures, also called cutaneous or skin surgery, are operative procedures on the skin: biopsy, excision, cryotherapy, laser surgery, dermabrasion, and Mohs micrographic surgery for skin cancer.
Dermatologists
Dermatologists are medical doctors specializing in skin, hair, and nail conditions, trained via residency and board certification (FAAD), with subspecialties like Mohs surgery and dermatopathology, and increasingly using teledermatology.
Dermatology
Dermatology: medical specialty of skin, hair, and nail diseases, over 4,000 conditions, 15-30% of outpatient care; covers history, global burden (4.69 billion GBD 2021 cases), diagnostic accuracy, dermoscopy, and teledermatology.
Dermatology Life Quality Index
The Dermatology Life Quality Index (DLQI) is a 10-question questionnaire measuring the impact of skin disease on quality of life, published in 1994 by Finlay and Khan.
Dermatome (anatomy)
Dermatome (anatomy): area of skin innervated by one spinal dorsal root, mapped by Keegan and Garrett (1948) and Foerster (1933); adjacent dermatomes overlap, and maps guide radiculopathy and spinal cord injury localization.
Dermatomyositis
Dermatomyositis (DM), an idiopathic inflammatory myopathy, causes proximal muscle weakness with Gottron papules and heliotrope rash; defined by type I interferon signature, myositis-specific autoantibodies, cancer risk, and 2026 FDA approval of brepocitinib.
Dermatopathia pigmentosa reticularis
Dermatopathia pigmentosa reticularis (DPR), allelic to Naegeli-Franceschetti-Jadassohn syndrome, is a rare autosomal dominant KRT14 ectodermal dysplasia with reticulate hyperpigmentation, noncicatricial alopecia, and onychodystrophy.
Dermatophagia (φαγεία)
Dermatophagia (φαγεία), also called dermatodaxia or wolf-biting, is a compulsive body-focused repetitive behavior of biting one's own skin, usually around the fingers, classified under obsessive-compulsive and related disorders and treated with habit reversal therapy.
Dermatophyte
Dermatophyte: keratin-degrading fungi of Arthrodermataceae (Trichophyton, Microsporum, Epidermophyton, Nannizzia and others) causing tinea or ringworm of skin, hair, and nails; seven accepted genera since 2017, with emerging terbinafine-resistant strains like T. indotineae.
Dermatophytosis
Dermatophytosis (ringworm, tinea) is a superficial fungal infection of skin, hair, and nails caused by keratin-digesting molds such as Trichophyton, Microsporum, and Epidermophyton, affecting up to 25% of people worldwide and diagnosed by KOH microscopy, culture, Wood's lamp, or PCR.