Images in clinical medicine. Vasculitis and cryoglobulinemia related to hepatitis C.
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The development of lichen amyloidosis in a patient with chronic lichen planus is reported. To our knowledge, this is the first report of the coexistence of these 2 diseases. The disparate response of the 2 conditions to etretinate is discussed.
Cutaneous pigmentation associated with minocycline ingestion is an unusual adverse effect for which few treatments have been described. Within the past few years, treatment with different Q-switched lasers has been reported in the literature. The purpose of this therapeutic intervention was to determine whether the Q-switched Alexandrite laser could clinically and histologically improve pigmentation associated with minocycline ingestion. A patient with type II minocycline pigmentation was treated with the Q-switched Alexandrite (755 nm) laser and then evaluated clinically and histologically to determine the outcome of this intervention. Treatment with the Q-switched Alexandrite (755 nm) laser provided excellent clinical and histologic clearing of minocycline pigmentation. One year after completion of laser treatment, the skin has remained clinically clear with no recurrence. The Q-switched Alexandrite laser (755 nm) should be considered for treatment of type II minocycline pigmentation.
Minocycline is an oral antibiotic widely used for the long-term treatment of acne vulgaris. Unusual side effects of this medication include two overlapping autoimmune syndromes: drug-induced lupus and autoimmune hepatitis. In addition, in a few patients livedo reticularis or subcutaneous nodules have developed in association with arthritis and serum perinuclear antineutrophil cytoplasmic antibodies (P-ANCA) during long-term minocycline therapy. We report the cases of two young women receiving long-term minocycline therapy (>3 years) in whom P-ANCA-positive cutaneous polyarteritis nodosa developed. Both patients presented with a violaceous reticulated pattern on the lower extremities. Histologic examination of biopsy specimens from a reticulated area and a subcutaneous nodule showed necrotizing vasculitis of medium-sized arteries in the deep dermis, consistent with the diagnosis of polyarteritis nodosa. The cutaneous lesions rapidly resolved on discontinuation of minocycline and initiation of prednisone therapy. A high index of suspicion and testing for antineutrophil cytoplasmic antibody in addition to the standard antinuclear antibody panel can facilitate diagnosis of minocycline-related autoimmune disorders.
Pretibial myxedema is a known manifestation of Graves' disease. Much less common is the elephantiasis nostras variant, which is often refractory to treatment. We therefore elected to try a new therapy, often used for the management of chronic lymphedema, called complete decongestive physiotherapy. After 6 weeks of intensive treatment, our patient lost 37 pounds and had reduced her edema volume by 47%. Her skin softened with decreased lymph seepage and she became mobile for the first time in years. At a 2-year follow-up visit, she exhibited sustained improvement. This case demonstrates that complete decongestive physiotherapy can provide effective, long-term control of this disease process. We suggest that complete decongestive physiotherapy be considered in patients with severe forms of pretibial myxedema, as well as those with refractory lymphedema.
Gemcitabine is considered to be a well-tolerated and safe cytostatic drug because of the relative lack of side effects. Cutaneous reactions due to gemcitabine treatment, including alopecia and maculopapular eruption, are well known. We report one patient with squamous cell carcinoma of the lung who developed a gemcitabine-induced cutaneous reaction mimicking acute lipodermatosclerosis. This case has never been reported in the literature before.
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Mature T-cell malignancies of extracutaneous origin are rare disorders. T-cell prolymphocytic leukaemia (T-PLL) is the most common form of all mature T-cell leukaemias in adults. Secondary skill involvement by T-PLL has been reported in 25% of patients. A case of T-PLL which presented with cutaneous infiltration mimicking a cellulitis-like lesion resistant to antibiotic therapy is described. The diagnosis of T-PLL was subsequently fully supported by the clinical, laboratory and cytological findings, as well as by the immunophenotypic study of the skin biopsy. The present case stresses the importance of accurate evaluation of skin lesions in the diagnosis of some haematological conditions and gives additional information about T-PLL such as a previously non-reported cytogenetic abnormality [t(6;6)] and lack of cutaneous lymphocytic-associated antigen expression.
Forty-three patients with venous leg ulcers were randomized into treatment with either a long- or a short-stretch compression bandage. Subbandage pressure was regularly measured during rest and walking for a period of up to 1 year. The long-stretch bandage was kept on as long as possible, often up to 1 week. It maintained a significantly higher subbandage pressure in the upright position and during passive dependency as well as during walking than the short-stretch bandage after both 2 and 24 h. The difference between maximum and minimum subbandage pressures during walking did not differ between the two groups. Thus, in contrast to general opinion, the short-stretch bandage did not produce a higher peak working pressure than the long-stretch bandage. The pressure decreased in the supine position in both groups.
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A case of extensive medical and functional morbidity in an elderly patient during treatment of pyoderma gangrenosum is described. Pyoderma gangrenosum is an uncommon cause of ulcerative skin lesions often involving areas of skin trauma about the lower extremity. Because of the possibility of underlying disease and the special treatment requirements, the condition must be differentiated from other, more common causes of skin ulceration. Treatment includes local care, systemic corticosteroid therapy, and control of any underlying disease. Pyoderma gangrenosum serves as a model for the interactions of various types of morbidity in the healthcare of the elderly.