Cases reported "Prurigo"

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1/19. prurigo pigmentosa: a misdiagnosed dermatitis in sicily.

    prurigo pigmentosa is a papular pruriginous eruption that leaves a marble-like pigmentation. The majority of cases have been found in japan. Three new female. Sicilian patients with prurigo pigmentosa were studied. All of them had previously been diagnosed as having different types of dermatitis. The administration of minocycline, at a dosage of 100 mg/day for 1 month, induced the disappearance of the papular eruption and pruritus in two patients, with an improvement of the gross reticular pigmentation. The third showed no modifications of the clinical picture after 2 months of minocycline treatment, but her condition significantly improved after 1 month of treatment with diaminodiphenylsulfone, 100 mg/day. These observations allow us to suggest that prurigo pigmentosa might be relatively frequent but misdiagnosed in the Sicilian population.
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2/19. Dermatitis causada por Hylesia metabus (lepidoptera: Hemileucidae) en la region costera del Estado del Delta del Amacuro, venezuela [Dermatitis caused by Hylesia metabus (lepidoptera: Hemileucidae) in the costal region of the state of Delta Amacuro, venezuela]

    2 cases of acute dermatitis caused by butterfly Hylesia metabus in an area that so far has not been considered as endemic for this species were presented. The dermatitis observed in these individuals may be described as very circumscribed, pruriginous, erythematous generalized protruding papules that may be compared with urticaria, and with a variable degree oedema. Monomorphic eruption consisting in small hard papules crowned by a little vesicle was also present. The lesions of these 2 patients evolved with intensely pruriginous papules for a week and after that they healed without dermatological sequelae.
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3/19. strongyloides stercoralis infection presenting as generalized prurigo nodularis and lichen simplex chronicus.

    strongyloides stercoralis is a parasitic nematode that develops an autoinfective life cycle within the gastrointestinal tract of its human host. The infection produces peripheral eosinophilia and cutaneous eruptions, as well as gastrointestinal or respiratory symptoms. Detection of S stercoralis is difficult through stool examination, but may be demonstrated by ELISA for IgG antibody against the parasite. We describe a patient with chronic S stercoralis infection initially presenting with generalized prurigo nodularis and lichen simplex chronicus.
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4/19. A case of prurigo and lichenified plaques successfully treated with proton pump inhibitor.

    A case of prurigo and lichenified plaques successfully treated with proton pump inhibitor is presented. She presented with pruritic eruptions, which showed marked lichenification and prurigo nodules, on her trunk and extremities. She had been treated with steroid ointment and H1-histamine receptor antagonist without success. Laboratory examinations revealed increased eosiophils and elevated lactate dehydrogenase. The skin biopsy specimen showed moderate acanthosis with spongiosis and lymphocytic and eosinophilic infiltration into the upper dermis. Because of vomiting and epigastralgia, endoscopical examination was performed, and an ulcer was found at the angle of her ventricle. A biopsy specimen disclosed a benign gastric mucosa with moderate inflammation within the lamina propria, and organisms consistent with helicobacter pylori. Treatment for gastric ulcer with proton pump inhibitor (omeprazole) and aluminium hydroxide gel improved her eruptions and her pruritus resolved. She was discharged with complete cure of her eruption and ventricular ulcer. Our case indicates that gastric lesions induced by helicobacter pylori infection may play an important role in dermatological diseases. proton pump inhibitors including omeprazole are one of the choices for the treatment of some dermatological diseases including prurigo and lichenified plaques.
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5/19. A case of actinic prurigo in thailand.

    Actinic prurigo is a separate entity from the polymorphous light eruption that affects American Indians. It has been reported mainly from North and south america, with only few reported cases from Britain or asia. We report a case of actinic prurigo in a Thai girl who showed cheilitis and pruritic papules on exposed areas for three years. We were able to induce populovesicular lesions by three consecutive irradiations with 100 J/cm2 UVA and 2 minimal erythematous dose of UVB. However, three weeks after irradiation, a prurigo papule developed at the UVB irradiated site.
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6/19. A case of actinic prurigo showing hypersensitivity of skin fibroblasts to ultraviolet A (UVA).

    We here report a patient with actinic prurigo. He had had erythematous papulovesicular eruptions on the sun-exposed sites from fall to early summer for 4 years. The lesions healed leaving atrophic scars. The histology showed epidermal necrosis and dermal dense perivascular lymphohistiocytic infiltration and edema. His minimal erythema doses to ultraviolet B (UVB) and UVA were normal and lowered, respectively. skin lesions were produced by repeated irradiation with UVA plus UVB, but not with UVA alone. Then he was diagnosed as having actinic prurigo. skin fibroblasts from the patient were hypersensitive to UVA. We believe that the hypersensitivity relates to the pathomechanisms of the photosensitivity in the case. UVA sensitivity of fibroblasts may be useful for differentiating actinic prurigo, hydroa vacciniforme, and other similar photosensitive disorders.
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7/19. Actinic prurigo, tropical (South-East Asian) variant.

    Actinic prurigo is a chronic familial photodermatitis found predominantly among the Amerindians. It has been reported from North and south america, Britain and japan. We report a case of actinic prurigo seen in singapore. A 20-year-old Malay female presented with a persistent pruriginous eruption in the sun-exposed parts and on her abdomen. She also had lower lip cheilitis and thinning of the outer eyebrows, features often seen in actinic prurigo. The minimal erythema dose to ultraviolet A (UVA) and UVB were persistently lowered. We propose that this condition be called actinic prurigo, tropical (South-East Asian) variant.
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8/19. Vesiculous prurigo pigmentosa in a 13-year-old girl: good response to isotretinoin.

    prurigo pigmentosa is a rare inflammatory disease of unknown origin, first reported from japan, with only 33 cases described in non-Japanese patients. We describe a 13-year-old girl with a pruriginous symmetrical eruption of papules and vesicles affecting her back, neck and chest of 1 month duration. She remembered a similar, but lighter eruption, 2 months before. As the initial diagnosis was of a vesiculobullous form of darier disease, treatment with isotretinoin 40 mg/day was started with good response. Histological study showed a superficial perivascular and interstitial dermatitis composed predominantly of lymphocytes. The epidermis was spongiotic, with exocytosis of lymphocytes and some neutrophils and necrotic keratinocytes. All these findings were consistent with prurigo pigmentosa. The lesions resolved leaving a light brown reticulate hyperpigmentation. prurigo pigmentosa has never been reported in prepubescent patients, the vesiculobullous forms are unusual, and the only treatments used previously are sulphonamides, tetracyclines and macrolides. We report a 13-year-old Caucasian girl with vesiculobullous prurigo pigmentosa successfully treated with isotretinoin.
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9/19. adult-onset Still's disease with prurigo pigmentosa-like skin eruption.

    A 34-year-old woman with adult-onset Still's disease (AOSD) developed prurigo pigmentosa-like lesions on her chest and upper back in addition to the typical rash of AOSD. A biopsy specimen taken from the upper back showed characteristic features of prurigo pigmentosa. The eruption and fever subsided immediately after the administration of 40 mg/day prednisolone, but arthralgia persisted even after intravenous pulse methylprednisolone therapy in combination with immunosuppressive drugs. Various atypical skin rashes, including prurigo pigmentosa-like lesions, have been reported in association with AOSD. Therefore, one should carefully follow the clinical course of a patient in order not to overlook these atypical cutaneous manifestations of AOSD.
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10/19. Bullous prurigo pigmentosa.

    prurigo pigmentosa is a rare inflammatory skin disease of unknown etiology, characterized by recurrent, symmetrical, pruritic, erythematous papules resulting in gross reticular hyperpigmentation. The rash occurs mainly on the back, the chest and the nape of the neck. While PP is observed rather frequently in japan, only a few cases have come to notice in other countries. Vesicular or bullous forms have been reported only rarely. The differential diagnosis includes lichen pigmentosus, pigmented contact dermatitis, confluent and reticulated papillomatosis of Gougerot and Carteaud, dermatitis herpetiformis and bullous lichen ruber planus.This case report concerns a young Caucasian patient with prurigo pigmentosa, in whom predominantly vesicular, but also bullous manifestations appeared on an existing maculopapular eruption on the trunk.
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