Inappropriate fluoroquinolone use resulting from lack of specific guidelines.
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Biomedical subjects
Publications and source records attributed to Join Y Luh.
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Lung cancer involvement of the heart is silent, carries a poor prognosis, and is most commonly identified at autopsy. A patient with lung cancer presented with symptoms and ECG findings suggestive of an acute coronary syndrome. Persistent symptoms and normal creatine phosphokinase (CPK) levels led to use of MRI and radionuclide scintigraphy to diagnose neoplastic infiltration of the myocardium. Palliative care was established with significant symptom relief. Assessment for cardiac metastases should be considered in patients with advanced lung cancer presenting with chest pain, new ECG findings, and normal CPK levels.
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Humoral hypercalcemia is rarely associated with colon carcinoma; cutaneous metastases from colon carcinoma are also infrequent. To the authors' knowledge, no cases of colon carcinoma presenting with both hypercalcemia and cutaneous metastases have been reported to date. A case of advanced poorly differentiated colon carcinoma with neuroendocrine features with both humoral hypercalcemia of malignancy (HHM) and cutaneous metastases is presented. A poorly differentiated colon carcinoma with neuroendocrine features occurred in a 42-year-old patient with metastases to the liver, both femurs, left orbit, and scalp. The hypercalcemia was caused by the expression of a parathyroid hormone related peptide by both the primary and cutaneous metastatic tumors. Bisphosphonate treatment helped normalize serum calcium in a few days, but hypercalcemia recurred approximately 3 weeks later. Chemotherapy only mildly reduced the size of the cutaneous metastases. The patient died 8 months after initial diagnosis. To the authors' knowledge, the case presented in the current study is the first to be reported with both HHM and cutaneous metastases. Hypercalcemia and cutaneous metastases are separately associated with a poor prognosis and indicate advanced and widely metastatic disease. Although still unclear, the mechanism by which colon cancer causes cutaneous metastases and hypercalcemia, in light of current theories presented in the literature, is discussed.
Treatment of craniofacial hyperhidrosis currently consists of thoracic sympathectomy, which is not widely available. Oral anticholinergic agents and beta-blockers may be effective but also carry significant side effects. We describe a healthy, active 27-year-old male resident physician who had excessive facial sweating with minimal exertion or stress. The sweating was especially pronounced on the forehead, nose, and upper lip. Daily topical application of a 0.5% glycopyrrolate solution to the face and forehead was offered. After the first treatment, facial sweating was significantly reduced and was well controlled under stressful situations, without any discomfort to the skin. No loss of efficacy was seen after multiple face washings. Facial hyperhidrosis recurred after withdrawal of the glycopyrrolate for 2 days, confirming its therapeutic effect. Two years later, he continues to use glycopyrrolate as needed. We conclude that topical glycopyrrolate is effective in treating craniofacial hyperhidrosis and is associated with few adverse effects.