Cases reported "Scabies"

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1/126. Crusted scabies in two immunocompromised children: successful treatment with oral ivermectin.

    Two immunodeficient children, aged 4 and 12 years, with crusted scabies were successfully treated with a single oral dose of ivermectin (200 micrograms/kg). One child had been diagnosed in infancy with an undefined congenital T cell immunodeficiency and the other with chronic mucocutaneous candidiasis. Both had failed to respond to conventional topical therapy. In view of the excellent therapeutic response and absence of side-effects, ivermectin should be considered in the treatment of recalcitrant crusted scabies in children. ( info)

2/126. Crusted scabies in association with human T-cell lymphotropic virus 1.

    BACKGROUND: Human T-cell lymphotropic virus I (HTLV- 1) infection can lead to myelopathy/tropical spastic paresis and adult T-cell leukemia/lymphoma (ATLL). infection with HTLV-1 has also been associated with clinically significant immunosuppression. Crusted scabies, also known as Norwegian scabies, is an uncommon presentation of scabies that may occur in conjunction with immunosuppression. Although crusted scabies has been reported in association with HTLV-1 infection, to our knowledge it has never been described in association with HTLV-1 associated myelopathy. OBJECTIVE: The aim is to describe a case of HTLV-1 associated myelopathy and concomitant crusted scabies. methods: This article includes a case report and a literature review. CONCLUSIONS: Crusted scabies is reported in association with HTLV-1 infection with or without concomitant ATLL. Crusted scabies should be considered in the differential diagnosis of a generalized cutaneous eruption in an HTLV-1 positive patient. patients with crusted scabies from an HTLV-1 endemic population should be rested for a possible HTLV-1 infection. These patients may be at increased risk of progressing to ATLL. ( info)

3/126. Crusted (Norwegian) scabies induced by use of topical corticosteroids and treated successfully with ivermectin.

    Crusted scabies is mainly observed in children with immunosuppression or mental illness. Treatment is very difficult, and relapse is frequent after topical scabicidal therapy. We describe a case of crusted scabies, induced by long-term application of a topical corticosteroid, relapsing after topical treatment and dramatically improved by ivermectin. We suggest that ivermectin is a safe and effective alternative therapy for the treatment of severe sarcoptes scabiei infestation in children unresponsive to conventional treatment. ( info)

4/126. Reactivation of scabies rash by methotrexate.

    A 13-year-old female was on maintenance therapy for acute lymphoblastic leukemia. On three occasions she received methotrexate orally and each time this was associated with reactivation of scabies rash. The mechanisms for this phenomenon are discussed. ( info)

5/126. Long-term psychological and neurological complications of lindane poisoning.

    A thin, healthy, partial-vegetarian, white female, who was exposed to three doses of lindane (through the application of Kwell), developed a severe case of long-term lindane poisoning. review of the literature suggests that her toxicity was so severe because of the repetitive nature of her exposure and the fact that she was partly protein restricted when first exposed. She developed profound central nervous system toxicity, as well as skin and gastrointestinal changes, that persisted for 20 months. She was treated with high doses of Valium. It was noted that every time her Valium was diminished below a critical level, her symptoms tended to recur until she had adequately cleared the lindane from her system. We believe this is the longest term of poisoning reported following exposure to an organochloride insecticide. Her symptoms are well explained by the physiology of these compounds as described in the literature. The case is important, for it represents the longest persistence of symptoms clearly associated with poisoning by the potent gamma isomer of BHC-lindane. ( info)

6/126. Crusted (Norwegian) scabies in a patient with dystrophic epidermolysis bullosa.

    A 13-year-old girl with severe non-mutilating recessive dystrophic epidermolysis bullosa (EB) was admitted to hospital because of a Staphyloccus aureussepsos, deterioration of her general condition and worsening of her skin disease, which itched severely. In addition to the blisters and erosions normally seen, she was covered from head to toe with scales and hyperkeratotic crusts. Despite intensive topical therapy, her skin condition did not improve significantly until scabies was detected and treated 1 week after admission. Because of the huge number of mites found and the crusted appearance, a diagnosis of crusted (Norwegian) scabies was made. She was successfully treated with two doses of ivermectin orally and one application of lindane ointment. permethrin cream was not tolerated. In this patient crusted scabies may have developed because of: (i) a modified host response due to malnourishment; (ii) inability to scratch because of the absence of fingernails; and (iii) abnormal scratching behaviour because of the vulnerability of EB skin, or a combination of these factors. Limited isolation measures were taken on admission and full measures were taken immediately after the diagnosis of crusted scabies was made. Prophylactic treatment of ward personnel was not undertaken. Fortunately, there was not an outbreak of scabies in the hospital. ( info)

7/126. Lepromatous lymphadenopathy and concomitant tuberculous axillary lymphadenitis with sinus. A case report.

    A 25-year-old male patient with florid lepromatous leprosy presented with right axillary lymphadenopathy and a discharging sinus. He also had scabies with chronic right otitis media. Histopathological examination of the lymph node revealed lepromatous lymphadenitis coexisting with tuberculosis. This unusual combination of two different clinical entities is recorded in this case report. ( info)

8/126. Post-scabetic nodules: a lymphohistiocytic reaction rich in indeterminate cells.

    We studied six infants and two adult cases of nodular scabies with immunostains and electron microscopy. All eight cases have had either direct (KOH) or family histories of scabies and were treated with lindane 1% cream or permethrin 5% cream. family members responded very well, but our patients developed multiple papulo-nodular lesions which were initially very pruritic and, in some cases, persisted from several months to over one year. H & E stain of biopsied tissue sections revealed a heavy perivascular and periappendageal lymphohistiocytic cell infiltration. Immunophenotype of these cells was compatible with langerhans cells, i.e. CD1A ( ), S-100 ( ) and HLA-DR ( ). Electron microscopy showed that these histiocytic cells satisfied all the ultrastructural criteria of Langerhans cells except for the absence of Birbeck's granules. Lag, a monoclonal antibody for Birbeck's granules, was negative. "Persistent nodules in scabies" or "nodular scabies" seems to represent a prolonged response of indeterminate cells-lymphocytes to mite antigens. ( info)

9/126. Crusted scabies in an immunocompetent child: treatment with ivermectin.

    An 11-year-old girl presented to our clinic with recalcitrant crusted scabies despite repeated applications of topical scabicides. She had no history of corticosteroid use prior to onset of the eruption and no evidence of immunodeficiency. A combination of oral ivermectin, topical lindane, and keratolytics cleared the infestation. Our patient is exceptional in that she had no risk factors commonly associated with a propensity to develop crusted scabies. While topical therapy remains the first-line treatment for children with classic scabies, in the unusual instance of a child with recalcitrant, crusted scabies, ivermectin may offer an efficacious alternative, although it should be used with caution. We discuss the use of oral ivermectin for treatment of crusted scabies and the challenging comprehensive management needed for this socially stigmatizing condition. ( info)

10/126. Case report: teledermatology and epiluminescence microscopy for the diagnosis of scabies.

    We wish to share images from a patient seen in our teledermatology program. Due to the absence of on-site dermatology services at the Togus, maine, Department of veterans Affairs, and associated community clinics for veterans in Aroostook, Bangor, Calais, and Rumford, we created a program to provide dermatologic expertise from Providence, rhode island. patients referred for this service were evaluated by a nurse practitioner, who obtained a history, performed a physical examination, and captured digital images of the affected area of skin, including epiluminescence microscopic images where indicated. These data were then retrieved at the Providence (host) site and reviewed by a dermatologist, who formulated an impression and plan that was then implemented by the remote site in maine. This approach, which involves image capture at the remote site and later review of images at the host site, is the "store-and-forward" method, which appears to be a relatively cost-effective means of providing this service from a distance. ( info)
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