Infectious Disease
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Despite the strict criteria of the IDSA’s guidelines for screening for group A streptococcal pharyngitis, unnecessary testing is still common. In a recent study, researchers investigated potential methods to improve adherence to these guidelines, and reasons for the inappropriate testing.
EXCLUSIVES
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Ebola is still a life-threatening virus, although there are treatments and prevention strategies. How does this Ebola outbreak compare with the 2014 outbreak? To find out, read more. -
The CDC has issued a warning of outbreaks of hepatitis A virus infection in multiple states based upon cases reported between January 2017 and April 2018. -
The CDC has released a report detailing their concerns about the increase in cases of antibiotic-resistant Shigella and provided recommendations for clinicians who believe they have identified such a case.
Podcasts
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Dr Julia Piwoz from Hackensack Meridian Health talks to us about the pertussis resurgence and how it relates to vaccination, vaccination in pregnancy, and more.
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Dr Angela Campbell, from the Centers for Disease Control and Prevention, speaks with us about this year's influenza season, as well as what health care providers should know about diagnosing patients with influenza.
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The author of the February 2018 Photo Quiz, Dr Eiyu Matsumoto, discusses his case report of an unusual urinary tract infection.
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Dr Michael S Niederman, from NY Presbyterian/Weill Cornell Medical Center, discusses this year's influenza season as well as influenza vaccinations.
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Dr. Jorge Herrera from the University of South Alabama talks about screening, referring, and managing patients with hepatitis C virus.
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Dr Eiyu Matsumoto, from the University of Iowa Carver College of Medicine, discusses his case report that appeared as the December 2017 PhotoQuiz.
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Dr. Daniel Fierer, from the Icahn School of Medicine at Mt. Sinai, discusses treating and managing HIV-HCV coinfection in men who have sex with men.
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The lead author of the October PhotoQuiz speaks with us about his case report.
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The lead author of the May PhotoQuiz, Dr Seme Tabassum, discusses her case involving a split-pea papule on a 60-year-old woman.
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Dr. Bridgette Brawner discusses her research on the connection between mental health and HIV-related sexual behaviors in adolescents.
Case Reports
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A 79-year-old man presented to an outpatient clinic for evaluation of an extensive erythematous rash containing pustules and open sores across his left shoulder, chest, and back. -
Herpes simplex can present on the face, the nose, and around the lips. Gingivostomatitis is the primary presentation and is seen primarily in younger children. -
A 51-year-old woman presented to the hospital with severe left eye pain and a diffuse vesicular rash around the left eye and on the forehead. -
Congenital syphilis is a largely preventable illness that is estimated to affect 1 million pregnancies annually worldwide.
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H pylori is a microaerophilic, spiral-shaped, gram-negative bacterial species that is linked to many GI tract diseases. -
Neonatal mastitis is a rare complication of physiological breast hypertrophy in the newborn period. -
M pneumoniae infections typically are mild but can be associated with a mucositis similar to that seen with SJS. -
This young man presented to a dermatology clinic with a papular eruption on his chest. -
A 44-year-old male presents to the emergency department with a 3-week history of rash on his left foot. -
Clostridium difficile infections are among the most common and most serious healthcare-associated infections in the United States. -
Impetigo is a superficial, highly contagious bacterial infection characterized by a localized inflamed and infected epidermis. -
Managing urinary tract infections in elderly people is difficult. Risk factors include use of multiple antibiotics, an indwelling catheter, or a history of UTIs. -
For a year, a 31-year-old man had asymptomatic, malodorous discoloration of the toe web spaces. He stated that his feet perspire heavily in the boots he is required to wear for work. -
Can you figure out the answer to these 4 cases?
Fungal Infections
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First identified in the early 1910s, chromoblastomycosis—otherwise known as chromomycosis—is a subcutaneous dematiaceous fungal infection. -
Onychomycosis is more than a cosmetic problem; it can cause pain and limited mobility. -
Tinea corporis occurs most often on the torso of elderly persons. It commonly appears as an annular plaque with a rim of scaly erythema. -
Tinea that occurs on the hands is referred to as tinea manuum. For unknown reasons, tinea often affects two feet and one hand. -
Maceration or scale between isolated web spaces of the fingers suggests erosio interdigitalis blastomycetica (interdigital candidiasis). -
Fungal folliculitis can occur if a superficial fungal infection is treated with topical corticosteroids. -
Candidal infection can also occur at the lateral angles of the mouth; it causes erosions and breakdown of the skin. -
This infection is usually caused by Candida albicans, which is often present in body folds. -
Tinea pedis (athlete's foot) is common in elderly persons and manifests in the interdigital web folds as scaly plaques on the plantar surfaces of the feet. -
Oral candidiasis, or thrush, can be related to poor dentition or immunosuppression, particularly as a result of oral corticosteroid use.