Medical Knowledge

Filamentous RPE Hyperplasia in Combined Hamartoma of the Retina and RPE

This case report describes a diagnosis of combined hamartoma of the retina and retinal pigment epithelium (RPE) with filamentous RPE hyperplasia in a female child with a history of amblyopia, myopia, and exotropia of the affected eye.

Fluorescein Angiography of Floating Retinal Veins

This case report describes a diagnosis of floating retinal veins in a patient aged 4 years with a history of stage 2 familial exudative vitreoretinopathy.

Vitreopapillary Traction in Stickler Type IV COL9A1

This case report describes a woman aged 43 years with Stickler syndrome and bilateral vitreopapillary traction who presented with shadows and ghosting of vision in both eyes.

“Inoculation” to Resist Misinformation

This JAMA Insights in the Communicating Medicine series explores the concept of “prebunking,” a psychological inoculation technique that could help prevent the spread of misinformation.

Blood Testing for Phosphatidylethanol

A 36-year-old man with obesity and dyslipidemia presented with elevated liver enzymes following a liver transplant to treat acute-on-chronic liver failure due to alcohol-associated hepatitis. What would you do next?

Service Animals in Health Care Settings

This JAMA Insights article reviews Americans with Disabilities Act (ADA) rules for patients, visitors, and other members of the public bringing service animals into health care settings.

An Infant With Progressive Yellowish Papules and Nodules

A 6-month-old girl presented with yellowish papules and nodules on the face and trunk that appeared 2 months prior, initially on the scalp, then gradually spread. What is your diagnosis?