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Asthma is a prevalent disease that continues to be associated with significant health care costs. Kamble and Bharmal, for example, estimated that the annual direct medical expenditure attributable to asthma in the United States was about $37.2 billion in 2007. In their study, the estimated prevalence of asthma was 8.7% in children and 6.72% in adults.

In this new feature, you’ll findpaired photographs of two differentdermatological disorders, accompaniedby a checklist of clinical features.You are invited to go throughthe checklists and match the variouscharacteristics with one or both ofthe disorders illustrated.

THAT BLUE LIGHT KILLS methicillin-resistant Staphylococcus aureus (MRSA) was demonstrated in the article “Visible 405 nm SLD Light Photo-Destroys Methicillin-Resistant Staphylococcus aureus (MRSA) In Vitro,” in the December 2008 issue of Lasers in Surgery and Medicine. Concerns about the clinical safety of the wavelength used (405 nm, spectral width 390 to 420 nm), which contains traces of ultraviolet light, led Chukuka Enwemeka, PhD, and colleagues from the School of Health Professions, Behavioral and Life Sciences at New York Institute of Technology in Old Westbury, to recapitulate the experiment using a wavelength of 470 nm with similar results.

THE VALUE OF THE PEDIATRIC heptavalent pneumococcal conjugate vaccine (PCV7) in preventing pneumococcal meningitis has been confirmed by a study, the results of which were recently published in the New England Journal of Medicine.

Large B-Cell Lymphoma

Progressively worsening nasal congestion and headaches with diplopia and left proptosis for 2 months prompted an ophthalmology consultation for a 67-year-old woman. She had been evaluated multiple times for allergic rhinitis and recurrent sinusitis.

You come by to see your patient after she has been discharged from the ICU. She is staring at a tray of food in front of her, which is undisturbed. She has lost 15 lb during the past week of hospitalization in the ICU. You ask her why she isn’t eating and whether she is hungry. She says that she is famished but is so weak she can’t even feed herself.1

A 35-year-old woman presented to the emergency department (ED) with 2 black eyes, facial swelling, and other injuries (Figure 1). She said that she had been in an all-terrain vehicle accident the day before, in which she hit her face on the handlebar. She said she had lost consciousness for an unknown period and since the accident had experienced headache, dizziness, nausea, and pain over much of her body.

In Defense of Acetaminophen

I consider the FDA’s recent advisory committee recommendations to restrict acetaminophen products inappropriate.

What Are These Lesions?

These circular, erythematous lesions of varying sizes on a 45-year-old woman’s dorsal right hand and extensor surface of the right forearm are

Asthma is a prevalent disease that continues to be associated with significant health care costs. Kamble and Bharmal,1 for example, estimated that the annual direct medical expenditure attributable to the treatment of asthma in the United States was about $37.2 billion in 2007, which represents a significant proportion of health care resource use.

Watch Their Backs

Patients are usually unaware of lesions that may have developed on their back.

A 61–year–old man presented to the emergency department with diffuse lower abdominal pain, nausea, and severe diarrhea (20 episodes within the past 12 hours). His symptoms began the night before and had gradually worsened. He denied fever. His medical history was significant for hypertension.

The purple-stained urine bags and tubing of 2 elderly patients are shown here. Neither patient received urine-discoloring medications.

Emphysematous Cystitis

A 77-year-old woman with hypertension, diabetes mellitus with neuropathy and nephropathy, coronary artery disease, and previous stroke with residual right hemiparesis was hospitalized because of abdominal pain, nausea, and vomiting of sudden onset. She also reported subjective fever, dysuria, and foul-smelling urine.