In an elderly patient with fever of unknown origin and/or weight loss with no evident of skin lesion, markedly elevated lactate dehydrogenase, remarkable deterioration in ECOG performance status who suspected IVBCL should be consider to perform incisional random skin biopsy at least 3 specimens from both thighs and abdomen to achieve a high sensitivity. We propose that this technique may serve as an important diagnostic tool to obtain the diagnosis of IVBCL. In summary, 5 of 24 (21%) positive results from random skin biopsy helped diagnoses of lymphoma.
Epidermal growth factor receptor inhibitors (EGFRIs) are new anticancer agents that act by inhibiting EGFR signaling transduction pathways, thus decreasing tumor growth. In more than 30 countries, EGFRIs are currently used in the treatment of a number of solid tumors, and other indications are being sought. In the United States, select EGFRIs have been approved in certain patients with non-small cell lung cancer, metastatic colorectal carcinoma, and advanced squamous cell carcinoma of the head and neck. Various cutaneous side effects of EGFRIs have been reported, including acneiform eruptions, chronic paronychia, xerosis, a seborrheic dermatitis-like eruption, changes in hair texture, and nonscarring alopecia. We present a 60-year-old woman with non-small cell lung cancer who developed a persistent generalized itchy eruption and progressive nonscarring alopecia shortly after initiation of erlotinib (Tarceva). Scalp biopsy showed near-equal number of anagen and catagen/telogen hair follicles, and a superficial and deep perivascular lymphoplasmocytic infiltration. These changes are typical of the nonscarring alopecia induced by EGFRIs. Because it is likely that EGFRIs will be increasingly used, dermatopathologists are likely to see more reactions from these agents. Familiarity with their side effects is essential to accurate diagnosis and effective patient management.
Background. Chronic plaque psoriasis is frequently associated with obesity. The effect of a low-calorie diet on psoriasis has not been investigated. Objective. The objective was to investigate whether moderate weight loss increases the therapeutic response to topical treatment in obese patients with chronic stable plaque-type psoriasis. Material and Method. A 24-week clinical trial was conducted in 10 patients. The efficacy of a low-calorie diet with topical treatment was compared with baseline in obese patients with chronic stable plaque-type psoriasis. The primary measure of clinical response was the Psoriasis Area and Severity Index at weeks 12 and 24. Results. At week 12, the mean reduction in body weight was 9.6 percent. There was an improvement from baseline of 50 percent or more in the Psoriasis Area and Severity Index in 50 percent of the patients. The responses as measured by improvements in the Psoriasis Area and Severity Index were paralleled by improvements in global assessments by the physician and the patients and in the Dermatology Life Quality Index. Conclusion. Obese patients with chronic stable plaque-type psoriasis increase their response to a low-calorie diet. Lifestyle modifications, including a low-calorie diet, may supplement the pharmacologic treatment of obese psoriasis patients.
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