Is enough dermatology training given to primary health physicians?

Large numbers of patients with minor skin ailments are being referred by primary health physicians to skin clinics with little attempt at diagnosing and treating these cases. This study evaluated whether primary health physicians were exposed to enough dermatology in their training to diagnose and treat simple dermatoses. In this retrospective cross-sectional survey the diagnosis, treatment, source of referral of all patients seen between January and June 1997 in two health centres in East Trinidad, Sangre Grande (SG) and Arima (A), were reviewed. There werer 146 registered patients at Sangre Grande and 189 at Arima. The commonest skin disorder was eczema (SG 37 percent, A 38 percent). The ability to diagnose this condition was 25 percent in Arima and 7 percent in Sangre Grande. Atopic exzema was the commonest in childhood (A 16 percent, SG 13 percent). Fungal infections, which included tinea corpois (A 8 percent, SG 7 percent) and tinea capitis ( A 15 percent, SG 8 percent), were the next most common dermatoses seen. The diagnostic ability for tinea corpois was: A 13 percent SG 0 percent; but there was a higher diagnostic index for tinea capitis (A 52 percent, SG 50 percent). Psoriasis (A 21 percent, SG 7 percent), like tinea capitis, had a diagnosis index of 50 percent. The most common referring diagnosis was skin rash (43 percent, SG 45 percent) or fungal rash (A 38 percent, SG 36 percent). There were significant differences in gender (P <0.05) and ethnicity (P<0.001) in Arima. In conclusion, the commonest dermatoses seen in both centres, were the eczemas, fungal infections and psoriasis. Diagnostic ability was low for the eczemas and tinea corporis, the commonest skin disorders, but better for tinea capitis and psoriasis. Increase referrals fof common skin disorders leads to overcrowding, decreasing the time for the dermatologist to do procedures, to teach and to give earlier and more frequent appointments to needy patients. Cost of treatment of patients and to Government is lower when the diagnosis is made on the initial visit, and loss of school days for tinea capitis can be decreased by prompt and effective treatment.(AU)

Spectrum of organisms and clinical presentation of tinea capitis presenting to an inner city dermatology practice

Struck by a dramatic rise in the number of cases of scalp ringworm being referred to our practice in the last few years we instituted a prospective study of all cases seen over the period 1995-1996. We have collected material on more than 200 mycologically positive cases. A spectrum of organisms was isolated as follows: Trichophyton tonsurans 69 percent, Trichophyton soudanense 10 percent, Microsporum audouinii 6 percent, Trichophyton violaceum 4 percent, Microsporum rivalieri 2 percent, Microsporum canis 1 percent, Trichophyton gouvilii 0.4 percent and positive microscopy but negative culture 7.6 percent. Clinical presentations were various: grey type 34 percent, moth eaten 25 percent, kerion 20 percent, black dot 13 percent and diffuse scale (seborrhoeic type) 8 percent. The clinical manifestation was also related to organism. Kerions were the most likely variant to be mycologically negative (40 percent) whereas those with the black dot pattern were all positive on culture. This study may reflect a shifting pattern of tinea capitis in Britain with the commonest organism now being Trichophyton tonsurans. Previously Microsporum canis has been the most frequent isolate in Great Britain. The pattern of clinical presentation would seem to influence the ease of isolation of responsible organism. Finally although "grey type" pattern is the most common clinical expression of tinea capitis this study highlights the variety of clinical appearances which may occur and confuse the unaware. (AU)

Black Skin Disease in South East London

Skin disease in black patients can present a diagnostic challenge both because of variations in clinical appearance and because certain disorders appear unique to black skin. The majority of dermatology text books and atlases concentrate mainly on white skinned patients. Our hospital serves a cosmopolitan local community in whom 40 percent of the population is black. We recorded the diagnosis made in 461 consecutive black (African, Afro-Caribbean and mixed-race) patients who attended a general dermatology new patient clinic in South East London. The aim of the study was to document the spectrum of skin disease seen in black patients and to highlight these disorders. 187 children and 274 adults were studied. In the black children atopic eczema was diagnosed in 38 percent, tinea capitis 26.7 percent, pityriasis alba 3.7 percent, viral warts 3.2 percent, keloids 2.7 percent, others 25.7 percent. Diseases recorded which are not seen in the white children included Facial Afro-Caribbean Childhood Eruption (FACE) and infantile acropustulosis. Of the 274 adults assessed, acne was diagnosed in 14.6 percent, eczema 10.2 percent, psoriasis 5.1 percent, pityriasis versicolor 4.0 percent, alopecia areata 3.3 percent, dermatofibroma 2.9 percent, urticaria 1.8 percent, pityriasis rosea 1.8 percent, cutaneous sarcoid 1.5 percent, discoid lupus 1.1 percent. Diseases more commonly seen in black skin were acne nuchae keloidalis/scalp folliculitis 14.6 percent, keloids 4.4 percent, post inflammatory pigmentation 3.6 percent and traction alopecia 1.1 percent; other disorders were seen in 30 percent. Normal variants recorded were dermatosis papulosa nigra, linear nail pigmentation and palmar pits. As the UK population becomes increasingly cosmopolitan, familiarity with skin disorders in both black and white skin is increasingly relevant to our practice. (AU)

Human T cell lymphotropic virus (HTLV-1): cutaneous manifestations

Skin manifestations are a common feature of HTLV-1 associated disorders and of HTLV-1 infection itself. These include the lymphomatous skin infiltrates in adult T-cell lymphoma/leukaemia, most commonly manifesting as persistent, generalised papules, nodules and plaques with later ulceration, acquired ichthyosis and xeroderma in HAM/TSP, infective dermatitis of children, dermatomyositis, crusted (Norwegian) scabies, psoriasiform rashes which may precede one of the more serious disease associations, and possibly also seborrhoeic dermatitis. Disorders typically associated with immunosuppression such as disseminated herpes zoster, and ulcerative non-healing herpes simplex may also be seen occasionally both in ATK as well as in other wise asymptomatic HTLV-1 infection (AU)

Tinea capitis in Trinidad

Characteristics of clinically diagnosed cases of tinea capitis from Trinidad are discribed. Tinea capitis comprised 29. percent of all dermatophytoses seen at one general hospital out-patient dermatology clinic during a one-year period. Males were more often affected than females and there was a predominance of patients of African descent. Among the dermatophytes cultured Trichophyton tonsurans was the most prevalent (52.9 percent), followed by Microsporum canis (20.0 percent) and M. audouin ii (18.6 percent). Less frequent isolates included M. gypseum (1.9 percent), T. mentagrophytes var granulare (1.4 percent) and T. rubrum (1.4 percent) (AU)