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Telogen EffluviumConsider this diagnosis when a patient presents with a history of rapid, diffuse hair loss. Telogen effluvium affects the entire scalp, but the crown and bitemporal areas may appear to be mainly involved if there is associated androgenetic alopecia.
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Diabetes in Older Patients: Worse Long-term Outcomes After Coronary InterventionsThe follow-up risk of death or an ischemic cardiovascular event that requires hospitalization is about 10-fold higher than the risk of hospitalization for major bleeding.
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Ischemia or Infarction: What Cause of ACS in a 54-Year-Old Man?The patient describes acute onset of chest pain with nausea and diaphoresis. The cardiac and pulmonary examinations are normal. What does the 12-lead ECG reveal?
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Allergic Disorders: When Should You Consider Immunotherapy?Allergic disorders are becoming more common. For example, about 20% of Americans have allergic rhinitis, which accounts for more than 10 million office visits each year. Most of these visits are to primary care clinicians.
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Chronic Leg Ulcer in Patient With RAThis 64-year-old woman has had rheumatoid arthritis for 15 years; her hands show classic rheumatic changes. She also had a leg ulcer that had failed to heal in 8 years despite three skin grafts.
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Consultations & Comments: Any Need for Dose 3 of MMR Vaccine?If a patient has had 2 appropriately administered doses of measles-mumps-rubella (MMR) vaccine and has a nonimmune response on a rubella titer (required in all pregnant women in Louisiana), should another dose of MMR vaccine be given? Is there any evidence that this would provide immunity to rubella?
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Tips on Averting Cimetidine Drug InteractionsAfter cimetidine was releasedin the late 1970s,case reports of clinicallysignificant drug interactionsquickly emerged.1-3Controlled trials soon validated theseinitial clinical observations. Since1983, when a comprehensive reviewof cimetidine drug interactions waspublished,4 more interactions havebeen reported, as use of this agenthas increased because of cost constraintsand the rapid growth of managedcare. Examples of well-documentedinteractions are listed in theTable.
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Thyrotoxicosis presenting as pulmonary hypertensionThe authors describe a woman who presented with severe pulmonary hypertension. A cardiopulmonary cause was initially sought, but thyrotoxicosis was the underlying cause.
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Organophosphate Poisoning Presenting as SyncopeSigns and symptoms of organophosphate poisoning occur through an exaggerated cholinergic or nicotinic response at the neuronal synapse.
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An Intriguing DiagnosisA 12-month-old previously healthy boypresented to the pediatric emergencydepartment (ED) with a 10-day historyof fever, irritability, and anorexia.The patient’s mother had originallynoted the development of 3 erythematouspapules on the patient’s back, leftaxilla, and chest; these were followedby the onset of daily fevers, with temperaturesranging from 38.8°C to41.1°C (102°F to 106°F). The lesionsgrew progressively larger and erythematous,and became ulceratedwith central eschars.
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2009 H1N1 Influenza: Antiviral Use for Prevention and TreatmentThis discussion reviews the currently available antivirals and recommendations for their use in influenza prophylaxis and treatment. Because our understanding of 2009 H1N1 influenza is still evolving, some off-label use of medications is discussed and noted. Information on 2009 H1N1 is updated frequently, andreaders are encouraged to monitor advisories from federal, state, and local health agencies for up-to-date information. (Drug Benefit Trends. 2010;22:10-14)
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Cyclospora cayetanensis and AIDSA 32-year-old Hispanic woman with AIDS presented with a 1-month history of diarrhea; abdominal bloating and cramps; loss of appetite; and pronounced fatigue, malaise, and weight loss. She had no fever or chills and was not vomiting. Her CD4+ cell count was 12/µL. Results of a routine microscopic examination of stool for ova and parasites were negative; an acid-fast stain of stool demonstrated oocytes of Cyclospora cayetanensis measuring 8.8 mm in diameter (pictured, magnification ×1,000). This is about twice the size of the Cryptosporidium parvum oocyte, which typically is 4 to 5 mm.
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Bronchoscopy Clinic: A patient with "worsening asthma"A 45-year-old man was referred to our pulmonary clinic for progressive dyspnea and worsening asthma. His shortness of breath had been worsening over the past 2 years. He denied fever, weight loss, and other systemic complaints.
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Post-Traumatic OsteoarthritisA 65-year-old man experienced a hard fall 40 years ago, when he was a paratrooper: he landed on his right leg and sustained trauma to the right hip.
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Infant With a "Tail"A 6-cm midline tail-like soft tissue appendage was noted on the back of this newborn infant at the level of L5. An epithelialized mid-sacrum dimple was also present inferior to the appendage. The infant otherwise appeared to be normally developed.
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The Differential Diagnosis of Weakness: 5 CasesDetermining the cause of generalized weakness can be a daunting task, since the differential diagnosis is vast. An overall approach to the patient who complains of generalized weakness is presented in our article
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Man With Chronic Eustachian Tube Dysfunction, Otitis Media, and Hearing LossA 31-year-old man presents with a2-week history of a constant, dull acheand hearing loss in the right ear. Healso complains of intermittent sharppains that are usually followed bydrainage through the external auditorycanal. Another practitioner diagnosedacute otitis media with tympanic membraneperforation, for which he prescribeda 10-day course of amoxicillin.The patient completed the regimen buthas obtained no relief.
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Asthma therapy: Changing perspectivesAsthma is one of the most common chronic diseases worldwide, and its prevalence--particularly among children--is increasing in many countries.1,2 In 1997, an estimated 9.6% of persons in the United States had asthma (Table 1).3
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Adrenogenital Syndrome in a Young BoyAfter this 9-year-old boy complained of “growing too fast” during the past 1 to 2 years, his parents sought medical advice. He had no significant past medical history.
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Interpreting Chest X-rays:Evaluation of a radiograph's quality requires some understanding of the technical factors involved in the production of an x-ray image. Without such understanding, the risk of making an interpretive error is increased.
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Limited Finger Movement After an InjuryA 24-year-old man seeks medical attention 3 weeks after he injured his little finger playingfootball. He reports that the finger “came out of place” at the middle knuckle (proximal interphalangeal[PIP] joint); he quickly put the finger back into place himself, quit playing, andiced it. About 2 hours later, he was unable tomove the finger without significant pain, andthe following day, inability to move it interferedwith his performance of tasks that requiredfine manual dexterity. Since then, thepain has decreased, but the finger remainsswollen and he has not been able to fully extendit at the middle knuckle. In addition, thetip of the injured finger is hyperextended.
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COPD: New TreatmentsChronic obstructive pulmonary disease(COPD) is the fourth leadingcause of chronic morbidity and mortalityin the United States.1 Its prevalenceand impact are increasing,and the World Bank/World HealthOrganization has projected that it willrank fifth in 2020 as a global burdenof disease.2,3 The economic and publichealth impact of COPD is staggering,because this chronic conditionrequires long-term care, frequentoffice visits, and use ofemergency department and hospitalservices. Thus, there is a pressingneed to discover new therapies thatcontrol symptoms and prevent diseaseprogression.
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Lhermitte-Duclos DiseaseLhermitte-Duclos disease is a rare, slow-growing, benign lesion of the cerebellum and is considered a hamartomatous tumor of the cerebellar cortex.
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Calcified Splenic CystA 38-year-old man found lying on the floor in his home was hospitalized because of alcohol intoxication. A chest radiograph showed a large calcified lesion in the left upper abdomen. A CT scan with intravenous contrast revealed a large, well-defined, cystic mass with mural calcification in the spleen. The CT findings were not consistent with a vascular malformation or echinococcal cyst-specifically, the mass was sharply demarcated, unilocular without septations, and round with a thin wall and attenuation similar to water. Urine Histoplasma antigen test results were negative.
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Fordyce AngiokeratomaA 52-year-old man presented with asymptomatic papules on his scrotum. The lesions had first appeared 1 year earlier. He had not sustained local trauma to the scrotum, and his medical history was unremarkable. There was no family history of similar skin lesions.
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Tuberous SclerosisA 10-year-old boy presents with abdominaldistension that has progressed slowlyfor the past 2 years. The distension,which is painless, does not impair hisdaily activities. He has not observedany changes in bowel or voiding habits.
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Autosomal Dominant Polycystic Kidney Disease in a 38-Year-Old WomanAutosomal dominant polycystic kidney disease (ADPKD) is common. Presenting symtpoms include hypertension, hematuria, proteinuria, and renal insufficiency.
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Acute Suppurative Thyroiditis in a Patient With Aplastic AnemiaAcute suppurative thyroiditis (AST) is a rare inflammatorycomplication in patients with hematological malignancy.Infection spreads to the thyroid from a distant site throughthe bloodstream or the lymphatics. Defects such as persistentthyroglossal duct and pyriform sinus fistula are associatedwith the development of AST. Ultrasonography, bariumswallow testing, CT, and fine-needle aspiration are usedfor diagnosis. Treatment includes the administration ofparenteral antibiotics, drainage, and excision. We describea patient with aplastic anemia and bacteremic AST.[Infect Med. 2008;25:339-342]
