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At least 109 records · Page 6Linked to original sources

Diabetic bullae: 12 cases of a purportedly rare cutaneous disorder.

BACKGROUND: Spontaneous bullae are a characteristic type of skin lesion occurring in patients with diabetes mellitus. These diabetic bullae are considered to be a rare phenomenon; only about 100 cases have been described in the literature since the disorder was first reported 70 years ago. METHODS: We collected a series of patients with diabetic bullae who were referred to us at a Veterans Affairs Medical Center Clinic specializing in diabetic foot problems. We then reviewed the medical literature for similar cases and summarized the available information. RESULTS: We saw 12 patients with typical diabetic bullae over an 8-year period in our clinic. The clinical presentation and outcome of the lesions in these patients were similar to those in previously reported cases. The patients were mostly elderly, all but one had lesions located on the lower extremities, all had peripheral neuropathy, two had secondary staphylococcal infection of their bullae, and in all patients the lesions healed without scarring. Although most of the patients had had previous similar lesions, the diagnosis of diabetic bullae had not been previously reported in any of them. CONCLUSIONS: We have reviewed the clinical syndrome of diabetic bullae and presented brief clinical details of these cases; we offer several vignettes and photographs of these lesions to remind clinicians of what we believe is a not so rare cutaneous disorder.

Adult↗

Merkel cell carcinoma and multiple cutaneous squamous cell carcinomas in a patient with pityriasis rubra pilaris.

A 79-year-old female was diagnosed with Merkel cell carcinoma (MCC) and multiple cutaneous squamous cell carcinomas (SCC) occurring on a background of pityriasis rubra pilaris. At the time of initial diagnosis and treatment for upper limb MCC, axillary nodal metastases were clinically evident. In the ensuing months, she developed multiple rapidly progressing SCC and eventually a left arm soft tissue deposit of metastatic MCC. Treatment involved multiple courses of fractionated radiotherapy. The salient clinical features and supporting evidence for this case are presented.

Aged↗

Colchicine treatment in a patient with neutrophilic dermatosis associated with rheumatoid arthritis.

Neutrophilic dermatoses (ND) are characterized by epidermal and dermal infiltrates of polymorphonuclear leukocytes (PMN), without any infectious or other detectable agents as a cause. We describe a case of ND, which very rapidly improved upon colchicine treatment. The patient was a 67-year-old female with an 8-month history of dusky-red, tender, swollen plaques and nodules with superimposed vesicles and bullae on the buttocks, hands, and ankles associated with rheumatoid arthritis. The diagnosis of ND was made on the basis of the clinical and histopathological features of the skin lesions. She was treated with 0.6 mg of oral colchicine twice daily. Within one week, the erythematous plaques and arthralgia began to recede and disappeared within four weeks. In our case, colchicine seemed to improve the signs and symptoms of ND and appeared to be more effective than the other drugs we had used.

Aged↗

Changing forms of juvenile pityriasis rubra pilaris--a case report.

Pityriasis rubra pilaris (PRP) is a rare disease affecting both males and females. The aetiology is unknown, but it has an ill-defined relationship with psoriasis. Within the spectrum of PRP certain disease patterns are recognized, and regarded by many as helpful prognostic indicators. Griffiths has suggested a clinically based classification based on a series of 98 patients seen at St John's Hospital, London between 1950 and 1972 (Table 1). Classical type 1 PRP is an erythematous squamous disorder typically showing follicular hyperkeratosis, perifollicular erythema and sharply demarcated islands of unaffected skin. The palms and soles become hyperkeratotic and often exhibit a characteristic orange hue. Type III PRP is the juvenile counterpart of classical type I PRP. The following case report describes a patient who presented with type III PRP but later went on to develop the type IV or circumscribed, juvenile onset PRP.

Child↗

Reticulate acropigmentation of Dohi.

Two cases of reticulate acropigmentation of Dohi are reported, both patients demonstrating the typical features of this disorder. Reticulate acropigmentation of Dohi (dyschromatosis symmetrica hereditaria or symmetrical dyschromatosis of the extremities) is characterized by pigmented and depigmented macules mixed in a reticulate pattern on the extremities. It was first described in 12 patients from Japan, where it appears to be a well-established condition. Patients have been reported from Europe and a family from India has recently been described. We report two cases of reticulate acropigmentation of Dohi occurring in an Afro-Caribbean and an Indian patient, in order to alert clinicians to the possibility that this disorder may present in the UK.

Adolescent↗

Behçet's disease-like presentation of bullous pyoderma gangrenosum associated with Crohn's disease.

A 47-year-old woman presented with a 2-month history of generalized arthralgia and a 10-day history of oral aphthous ulcers. After hospitalization, papulopustular lesions and perianal ulcerations developed. Pathergy test was positive and ophthalmological examination was normal. The presence of oral aphthous ulcers, genital ulcerations, papulopustular lesions and arthralgia, and the positive pathergy test suggested the diagnosis of Behçet's disease (BD). In a few days, positive pathergy reactions and papulopustular lesions evolved into bullous lesions, which were diagnosed dermatopathologically as pyoderma gangrenosum. Two days after the presentation of papulopustular lesions, the patient experienced diarrhoea accompanied by bloody stools and mucus. Histopathological examination of biopsy specimens showed no vasculitis but revealed findings suggestive of Crohn's disease. The patient responded well to treatment with systemic steroids and 5-aminosalicylic acid. Our case demonstrates that the differential diagnosis of BD and inflammatory bowel disease may be perplexing and that these two diseases may be closely related.

Behcet Syndrome↗