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ABSTRACT: A 69-year-old woman presented with a 2-year history of an eczematous lesion covering the genital area. Histopathological examination showed deposits of amorphous, eosinophilic material and an infiltrate of plasma cells through the entire dermis into the subcutaneous fatty tissue. Congo red-stained deposits showed apple-green birefringence with polarizing microscopy. On immunohistochemistry, the deposited material was positively stained with anti-lambda light chain antibodies but not with anti-lambda light chain. A diagnosis of primary localized cutaneous amyloidosis (PLCA) was made, and the patient was also diagnosed as having Sjögren's syndrome (SjS) based on clinical and laboratory findings. The lesion of PLCA has spontaneously regressed over a period of 18 months. We report a unique case of PLCA and SjS that clinically demonstrated genital eczematous features and spontaneous involution, and we also describe a possible association between PLCA and SjS.
The Journal of Dermatology 07/2007; 34(6):394-6. · 1.49 Impact Factor
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Youichi Nishimura
Dermatology 02/2007; 214(4):338-9. · 2.05 Impact Factor
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The Journal of Dermatology 04/2006; 33(3):223-4. · 1.49 Impact Factor
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ABSTRACT: Drug-induced hypersensitivity syndrome is a severe drug eruption with fatal visceral organ failures associated with human herpesvirus-6 (HHV-6) reactivation. We present a case of clomipramine-induced hypersensitivity syndrome, which displayed in succession two different reactions akin to those described for Gianotti-Crosti syndrome and infectious mononucleosis. HHV-6 reactivation was confirmed serologically after the latter reaction, suggesting that our case may have represented a biphasic reaction to HHV-6 reactivation.
Journal of the American Academy of Dermatology 12/2005; 53(5 Suppl 1):S231-3. · 3.99 Impact Factor
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The Journal of Dermatology 10/2004; 31(9):769-70. · 1.49 Impact Factor
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The Journal of Dermatology 09/2004; 31(8):699-700. · 1.49 Impact Factor
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ABSTRACT: Chemotherapy-induced acral erythema (CIAE) is a rare cutaneous reaction to high-dose chemotherapy, clinically featuring painful erythema on the palms and soles. Docetaxel (Taxotere), an anticancer agent, is known to cause various reactions, including CIAE. We experienced a case of docetaxel-induced acral erythema with facial edematous erythema that coincidentally emerged and regressed with appearance and disappearance of the acral lesions. Docetaxel-induced acral erythema exhibits a widespread distribution and intense sensations of intolerable pain and numbness. Therefore, some authors use the term erythrodysesthesia instead of acral erythema. We speculated that the facial erythema might be part of the spectrum of erythrodysesthesia. Our case was finally diagnosed as decetaxel-induced erythrodysesthesia. Although CIAE is self-limiting, the patients frequently require treatment because of intolerable pain. Reported treatments for CIAE include topical or systemic steroids, elevation of the legs, and application of cold compression to the lesion. In our case, application of a steroid ointment with the occlusive dressing technique (ODT) alleviated the clinical manifestations and was also prophylactic for the erythrodysesthesia.
The Journal of Dermatology 06/2004; 31(5):403-6. · 1.49 Impact Factor
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ABSTRACT: A 65-year-old woman suddenly developed a widespread sterile pustular outbreak with high pyrexia. Many pustules appeared on her hands, including both the dorsal and the palmer side, and a few pustule appeared on her trunk and arms in the pattern of acute generalized pustular bacterid. Histopathology of the eruption showed subcorneal pustules. The eruption and pyrexia did not resolve with any of several antibiotics and NSAIDs, but resolved with the oral etretinate. Thereafter, pustules and scaly erythema remained on the arch of the foot and thenar of the palm, typical of pustulosis palmaris et plantaris.
The Journal of Dermatology 03/2003; 30(2):141-5. · 1.49 Impact Factor
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ABSTRACT: We present the case of a 9-month-old boy with yellow-brown papules that gradually increased in number over a period of 6 months without systemic involvement. Our case was clinicopathologically diagnosed as S-100-positive juvenile xanthogranuloma, and longitudinal observation revealed that strong S-100 reactivity disappeared in parallel with maturation of the lesions within 2 years after the initial diagnosis. These findings add to the complexity in cells of origin of this disorder.
Pediatric Dermatology 26(4):475-6. · 1.07 Impact Factor
