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Query: UMLS:C0409974 (lupus)
 22,386 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Localized scalp hair loss is associated with many processes, including alopecia areata, trichotillomania, tinea capitis, and early lupus erythematosus. There are several reports of localized alopecia after tick- and flea-bites and bee stings, but there are only two reports of ant-induced alopecia in the literature. We present two cases of alopecia induced by ants of genus Pheidole (species pallidula) and review the literature for insect-induced alopecia. Ant-induced alopecia should be considered in the differential diagnosis of localized sudden-onset alopecia, at least in some geographic areas of the world.
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PMID:Ant-induced alopecia: report of 2 cases and review of the literature. 1534 1

Scaly scalp is a common problem in the pediatric and adult population. The possible causes range from the commonly seen tinea capitis, seborrheic dermatitis and psoriasis to rare diseases such as lupus erythematosus and lichen planus. In all cases a thorough history and physical examination are important first steps to successful diagnosis and treatment.
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PMID:[The scaly scalp]. 1551 55

Dermatophytoses are frequent in children, but involvement of the facial skin has peculiar aspects that should be considered a separate entity: tinea faciei. Microsporum canis infection in tinea faciei has not been widely documented. To review cases of tinea faciei due to M. canis in children diagnosed at the Dermatology Clinic, University of Cagliari. Between 1990 and 2009, all children with dermatophyte infections of the facial skin were recruited for the study after parental consent. Diagnosis was made through direct microscopic and cultural examination. Age, sex, clinical form, illness duration, identified dermatophyte, source of infection, and treatment were recorded. Forty-six cases of tinea faciei due to M. canis in children aged 11 months to 15 years (29 male/17 female) were diagnosed. In 42 (91.3%) children, the illness was the result of contact with pets, and 4 (8.7%) cases resulted from contact with children affected by tinea capitis due to M. canis. Clinical manifestations were typical ringworm in 34 (74%) patients, whereas in 12 (26%) cases, atypical forms mimicking atopic dermatitis, impetigo, lupus erythematosus, and periorificial dermatitis were observed. In 18 (39%) cases, involvement of the vellus hair follicle was documented as ectothrix invasion. Topical or systemic antifungal therapy was effective in all patients. Tinea faciei shows a complex spectrum of differential diagnosis and age-related variations with respect to other superficial dermatophytosis. M. canis is the main organism responsible in children residing in Cagliari, capitol city of Sardinia, Italy. Close collaboration with veterinary and educational programs within infant communities are required for adequate prevention.
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PMID:Tinea faciei due to microsporum canis in children: a survey of 46 cases in the District of Cagliari (Italy). 2201 Oct 84

Dermoscopy is a method of increasing importance in the diagnoses of cutaneous diseases. On the scalp, dermoscopic aspects have been described in psoriasis, lichen planus, seborrheic dermatitis and discoid lupus. We describe the "comma" and "corkscrew hair" dermoscopic aspects found in a child of skin type 4, with tinea capitis.
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PMID:Dermoscopy findings in tinea capitis: case report and literature review. 2257 42

Over the last few years, dermoscopy has been shown to be a useful tool in assisting the noninvasive diagnosis of various general dermatological disorders. In this article, we sought to provide an up-to-date practical overview on the use of dermoscopy in general dermatology by analysing the dermoscopic differential diagnosis of relatively common dermatological disorders grouped according to their clinical presentation, i.e. dermatoses presenting with erythematous-desquamative patches/plaques (plaque psoriasis, eczematous dermatitis, pityriasis rosea, mycosis fungoides and subacute cutaneous lupus erythematosus), papulosquamous/papulokeratotic dermatoses (lichen planus, pityriasis rosea, papulosquamous sarcoidosis, guttate psoriasis, pityriasis lichenoides chronica, classical pityriasis rubra pilaris, porokeratosis, lymphomatoid papulosis, papulosquamous chronic GVHD, parakeratosis variegata, Grover disease, Darier disease and BRAF-inhibitor-induced acantholytic dyskeratosis), facial inflammatory skin diseases (rosacea, seborrheic dermatitis, discoid lupus erythematosus, sarcoidosis, cutaneous leishmaniasis, lupus vulgaris, granuloma faciale and demodicidosis), acquired keratodermas (chronic hand eczema, palmar psoriasis, keratoderma due to mycosis fungoides, keratoderma resulting from pityriasis rubra pilaris, tinea manuum, palmar lichen planus and aquagenic palmar keratoderma), sclero-atrophic dermatoses (necrobiosis lipoidica, morphea and cutaneous lichen sclerosus), hypopigmented macular diseases (extragenital guttate lichen sclerosus, achromic pityriasis versicolor, guttate vitiligo, idiopathic guttate hypomelanosis, progressive macular hypomelanosis and postinflammatory hypopigmentations), hyperpigmented maculopapular diseases (pityriasis versicolor, lichen planus pigmentosus, Gougerot-Carteaud syndrome, Dowling-Degos disease, erythema ab igne, macular amyloidosis, lichen amyloidosus, friction melanosis, terra firma-forme dermatosis, urticaria pigmentosa and telangiectasia macularis eruptiva perstans), itchy papulonodular dermatoses (hypertrophic lichen planus, prurigo nodularis, nodular scabies and acquired perforating dermatosis), erythrodermas (due to psoriasis, atopic dermatitis, mycosis fungoides, pityriasis rubra pilaris and scabies), noninfectious balanitis (Zoon's plasma cell balanitis, psoriatic balanitis, seborrheic dermatitis and non-specific balanitis) and erythroplasia of Queyrat, inflammatory cicatricial alopecias (scalp discoid lupus erythematosus, lichen planopilaris, frontal fibrosing alopecia and folliculitis decalvans), nonscarring alopecias (alopecia areata, trichotillomania, androgenetic alopecia and telogen effluvium) and scaling disorders of the scalp (tinea capitis, scalp psoriasis, seborrheic dermatitis and pityriasis amiantacea).
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PMID:Dermoscopy in General Dermatology: A Practical Overview. 2761 97