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Current management of onychomycosis. An overview.

Until recently pedal onychomycosis, particularly when it affected several nails or involved a large nail plate area, was often regarded as untreatable. The advent of new therapies such as itraconazole, terbinafine, and fluconazole has been a significant and welcome addition to the armamentarium of therapies at the disposal of the physician. These drugs appear in the nail plate within days of starting oral therapy, being taken up by both the nail matrix and the nail bed. The duration required for effective therapy has been reduced, while the efficacy rates and cost-effectiveness have increased compared with the older treatments, such as griseofulvin. Some of the newer agents appear to have a wider spectrum of activity. Thus far, the newer agent have exhibited a low risk to benefit ratio. I may be possible to combine oral therapies with topical and surgical treatments, thereby further increasing efficacy rates and the cost-effectiveness while decreasing adverse effects and duration of oral therapy.

Antifungal Agents↗

Study of onychomycosis in Córdoba, Spain: prevailing fungi and pattern of infection.

From a total of 20,004 patients seen during two years, we carried out a mycologic nail investigation (direct microscopy and repeated cultures). Ninety-three (43.2%) of the nails were judged to be infected by their clinical appearance. They fulfilled the laboratory criteria required to start antifungal treatment (isolation of the same fungus in culture on two consecutive occasions), but only in 64 cases (29.7%) was there a clinical and mycological recovery once antifungal treatment and follow up were completed. yeasts were isolated in two thirds of the cases of onychomycosis, mainly from fingernails. Candida albicans, C. parapsilosis or both were the most prevalent species. Dermatophytes were found in 18.8% of the samples, especially from toenails. Trichophyton rubrum was the predominant species. Non-dermatophytic filamentous fungi were cultured in 17.2%, Scopulariopsis brevicaulis being the most prevalent species. The highest prevalence of onychomycosis was found in patients between 50 and 70 years of age. Females were affected more frequently than males. Fingernails were affected more frequently than toenails. Proximal subungual onychomycosis, secondary to paronychia (PSOp), was the most prevalent clinical type, although primary distal and lateral subungual onychomycosis (DLSO) and total dystrophic onychomycosis (TDO) were also frequent. PSOp was only observed in fingernails, while DLSO was almost only seen in toenails and TDO in both fingernails and toenails. All the clinical types were more frequent in women except TDO, which showed a similar prevalence in both sexes.

Adolescent↗

Onychomycosis in Tehran, Iran: prevailing fungi and treatment with itraconazole.

A total of 187 Patients with suspected onychomycosis were examined for causative fungal agents between 1996 and 1997. Laboratory examination confirmed onychomycosis in 115 patients, of which 97 cases were presented with positive microscopic and cultural examinations, and they were selected for itraconazole pulse therapy. From an etiological point of view, 48.4% of the nail infections, mainly toenail infections, were caused by dermatophytes, 43.3% were infected with Candida spp, specially infected fingernails, and 8.2% by non-dermatophytic molds. Trichophyton mentagrophytes var. interdigital and T. violaceum were the most prevalent species. Candida albicans and C. parapsilosis were the predominant species of the Genus Candida. Scopolariopsis brevicaulis was the most common non-dermatophyte molds observed. Female affected more frequently than male and in both sexes, those who were 30-49 years old, more infected. Toenails were affected more frequently than fingernails. In this study, itraconazole pulse therapy (400 mg daily) gave during the first week of per month for 3 months. The study included 51 patients with toenail onychomychosis (group 1) and 46 patients with fingernail infections (group 2). Patients were followed up for 9 months after the last treatment. Clinical response rates were 83% in the group 1, 95% in the group 2 at month 12; the corresponding mycological cure rates were 71 and 87%, respectively.

Adolescent↗

Dermatomycoses caused by Nattrassia mangiferae in São Paulo, Brazil.

Nattrassia mangiferae formerly known as Hendersonula toruloidea, is a phaeoid coelomycete described by Nattrass in 1933. We report five cases of N. mangiferae infections in São Paulo, Brazil. This fungus was isolated from interdigital lesions on the feet in one patient, toenails in three cases and fingernails in the other one. The infections were initially considered to be caused by a dermatophyte. Although there are only a few cases described in the medical literature, the five cases reported suggest that N. mangiferae should be taken into consideration in the differential diagnosis of tinea pedis infections.

Adult↗

[Imiquimod in the treatment of recalcitrant warts: a new therapy option?].

Recalcitrants viral warts can pose a therapeutic challenge to the treating physician. In a clinical study, we documented the effect of imiquimod 5% cream (Aldara) on recalcitrants warts in 22 patients. A complete and partial clearing of the warts was achieved in 41% and 50%, respectively. In only 9% of patients no improvement could be observed. Beside the very often observed perilesional erythema, which correlated well with good treatment response, no relevant side effects were documented. Imiquimod 5% cream (Aldara) is an efficient, easy to perform ambulatory treatment modality for recalcitrants HPV induced warts with few side effects.

Adjuvants, Immunologic↗

4 cases of photocontact dermatitis due to ketoprofen.

We report 4 cases of photocontact dermatitis due to ketoprofen, a non-steroidal anti-inflammatory drug derived from propionic acid. We carried out a skin biopsy to examine the amount of ketoprofen in the eruptive skin. We investigated the cross-reactions between tiaprofenic acid, suprofen and ketoprofen by patch and photopatch testing. In case no. 1, 17 days after the discontinuance of Mohrus poultice (containing ketoprofen as an active ingredient), we detected ketoprofen 312.5 ng/g in the area of skin where the poultice was applied. All 4 cases reacted positively to the causative medicaments containing ketoprofen and ketoprofen 1% pet. 3 out of 4 cases reacted positively to tiaprofenic acid 1% pet. Only 1 case out of the ketoprofen and tiaprofenic acid positive cases reacted positively to suprofen 1% pet. Vehicles of patients' medicaments were negative in all 4 cases. We suspected that the key structure of the cross-reaction between ketoprofen and tiaprofenic acid and suprofen was the benzoyl radical.

Adult↗

Recurrent palmar-plantar erythrodysaesthesia following high-dose cytarabine treatment for acute lymphoblastic leukemia.

Palmar-plantar erythrodysaesthesia (PPE) is an uncommon cutaneous complication of cytotoxic chemotherapy which generally presents as a painful erythema involving the palms and soles. It has been suggested that PPE caused by cytarabine does not recur with subsequent cytarabine re-challenge. We report a patient with recurrent, increasingly severe episodes of PPE, ultimately complicated by a severe bullous eruption, following successive cycles of high-dose cytarabine for the treatment of acute lymphoblastic leukaemia. Contrary to previous recommendations, our experience cautions against the further use of high-dose cytarabine in patients who develop PPE, and is a timely reminder of the potential toxicity of this agent, which is now increasingly being used as first-line treatment in the management of haematologic malignancies.

Adult↗

Oral manifestations of papular-purpuric 'gloves and socks' syndrome due to parvovirus B19 infection: the first case presented in Greece and review of the literature.

Papular-purpuric 'gloves and socks' syndrome (PPGSS) is a novel, rare, self-limited dermatosis initially described in 1990. It is characterized by painful, pruritic edema and erythema, rapidly evolving to papular-purpuric lesions on the distal extremities, in a gloves-and-socks distribution, accompanied by fever and oral lesions such as petechiae, vesiculopustules and small erosions. Parvovirus B19 has been implicated in most cases as the etiological factor. Herein we present the first case of PPGSS in a 42-year-old Greek man with von Willebrand disease. On admission the patient was febrile, and presented acral edema and erythema rapidly followed by purpuric lesions on the same sites, and palatal petechiae. Complete remission of the exanthem occurred 7 days after hospitalization. Clinical and laboratory evaluation including serologic tests and PCR, confirmed the presence of parvovirus B19. Review of the existing literature on this novel syndrome and its association with parvovirus B19 is also presented.

Adult↗

A new method of intralesional bleomycin therapy in the treatment of recalcitrant warts.

We have used a new technique of bleomycin injection to treat intractable palmar, plantar and periungual warts. Following local anaesthesia with topical EMLA (lignocaine and prilocaine) cream, 1 mg/ml bleomycin solution was dropped on to the wart and 'pricked' into the wart using a Monolet needle. We achieved 92% success rate which compares well with other authors whose success rates with intralesional bleomycin vary between 33 and 92%. We conclude that this technique of intralesional bleomycin therapy is an effective, safe and generally well tolerated treatment for recalcitrant warts.

Adolescent↗

Palmoplantar pustulosis: a clinical and immunohistological study.

Pustulosis palmoplantaris (PPP) is a common chronic skin disease, which is very resistant to treatment. It is not known why the lesions are located in the palms and soles. There are few studies of the disease and in particular studies of the histology. Fifty-nine patients with PPP answered a questionnaire concerning their medical history and 39 of them were clinically examined. Biopsy specimens were taken from involved skin in 22 of the 39 patients and studied immunohistologically for tryptase+ mast cells, EG2+ eosinophils, lipocalin+ neutrophils and CD3+ T lymphocytes. The sweat gland and sweat duct were visualized with AE1/AE3 antibody (cytokeratins 1-8, 10, 14/15, 16, 19). In addition to neutrophils in the pustule and lymphocytes in the upper dermis, there were also large numbers of mast cells and eosinophils in the subpustular area. Numerous eosinophils were present in the pustule. The epidermal part of the eccrine duct was not detectable in any of the specimens from patients with PPP but was present in all of the nine control persons (including two smokers). The results indicate that the acrosyringium is involved in the inflammation and also that mast cells and eosinophils participate in a hitherto unknown way. Of the 39 patients clinically examined, two had previously diagnosed thyroid disease and two had gluten hypersensitivity. Seventeen had one or several abnormal serum concentrations of thyroid-stimulating hormone, thyroxin, antibodies against thyroglobulin or thyroperoxidase and 10 had immunoglobulin (Ig) A antibodies to gliadin. The mean +/- SD for serum IgA and for eosinophil cationic protein was increased. From the questionnaire the most notable finding was that 56 of the 59 patients had been or still were smokers, all of whom had started smoking before the first signs of PPP. We hypothesize that the acrosyringium might be the target for the inflammation and that PPP is linked to autoimmune thyroid disease and smoking.

Adult↗