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Note that some lesions occur within the outer ear, quite typical for the diagnosis of discoid lupus.

Skills quiz: Psoriasis; Molluscum; Lhermitte-Duclos; Gout

Should you be testing everyone for HIV? Guidelines disagree, for now, and there are many challenges to doing so. Here is some guidance to overcoming barriers to HIV testing in primary care.

Elevated serum uric acid level is pathognomonic for gout. Untreated gout may lead to tophi, nephropathy, and uric acid nephrolithiasis.

Although survivors of HIV infection urgently need care from primary care providers, the best evidence shows that primary care cannot fill that need adequately at present, and may be less able to do so in the future.

Most cases of “pink eye” are caused by infectious, or occasionally allergic, conjunctivitis. Occasionally, however, a rare and more serious condition-such as a corneal ulcer or iritis-may masquerade as conjunctivitis, as in this patient.

Look closely at this image. Does this look like conjunctivitis. . . or something else?

For two HIV-positive patients, treatments with bone marrow transplants for cancer have achieved eradication of the virus from their blood cells. Learn in this podcast what this portends for the future.

The location (pretibial surface) of this ulcer, its visibly rolled undermined border, and severe pain are all typical of pyoderma gangrenosum, which is typically associated with inflammatory bowel disease, rheumatoid arthritis, and hematologic malignancies.

Intestinal helminthes represent one of the most prevalent types of human parasitic disease and remain a major health problem in developing countries.

Dr Farris Timimi, Assistant Professor of Medicine at the Mayo Clinic and Medical Director of the Mayo Clinic Center for Social Media, discusses the potential of social media to change the landscape of clinical practice.

A definitive gout diagnosis is based on demonstration of monosodium urate crystals on aspiration of an affected joint or tophus.

Are retinal hemorrhages in an infant always the result of abuse?

Pre-exposure prophylaxis (PrEP) against the risk of HIV infection is now approved by the FDA, supported by three randomized trials. But its use is controversial. What are the implications for primary care?

A biopsy confirmed that the white mucosal discoloration and scattered small erosions were the result of lichen planus. Eradication may be attempted with potent topical steroids or oral steroids.

In this podcast, the chair of the International Antiviral Society USA tells why it now advises immediate antiretroviral treatment for everyone diagnosed with HIV infection.

The devastating effects of inflammation from HIV infection were a focus at the recent international AIDS Congress.

FOOSH injuries associated with acute onset of pain at the elbow suggest fracture of the radial head, proximal ulna, or humeral condyle or soft tissue injury.