The Painful Red Eye

Acute angle-closure glaucoma
A 52-year-old woman presents with severe eye pain and blurred vision. Explore the differential diagnosis for this ophthalmologic emergency.
Read more

A Congenital Pectoral Puzzle

Poland syndrome
Explore a case of an 86-year-old man with a congenital absence of the right pectoralis major muscle and ipsilateral brachydactyly. What is the diagnosis?
Read more

Teen’s Abdominal Pain & No Menses

Hematometrocolpos
A teen presents with years of cyclic abdominal pain and primary amenorrhea. A physical exam reveals a large suprapubic mass. What is the diagnosis?
Read more

A Cough That Breaks Bones

Bordetella pertussis
A 66-year-old woman presents with a persistent cough and flank pain, leading to the discovery of a rib fracture. What is the underlying cause?
Read more

Painful Lesions in Skin Folds

Hidradenitis suppurativa
A 27-year-old man presents with a 2-year history of painful, recurrent nodules and scarring in the axilla, groin, and perineal areas. What's the diagnosis?
Read more

A Reversible Cause of Dementia?

Normal-pressure hydrocephalus
Explore the classic triad of gait disturbance, cognitive decline, and urinary incontinence in an elderly patient. Learn about this important neurological diagnosis.
Read more

A Pouch in the Pharynx

Zenker's diverticulum
Challenge your diagnostic skills with this barium swallow radiograph. Can you identify the cause of dysphagia in this classic gastroenterology case?
Read more

CT Clue in an Acute Abdomen

Falciform ligament
An 87-year-old with a history of PUD presents with severe abdominal pain and hypotension. CT reveals pneumoperitoneum outlining a key anatomical structure.
Read more

The Jumping Athlete’s Knee Pain

Osgood–Schlatter disease
A 13-year-old athlete presents with knee pain after jumping. Explore the causes of anterior knee pain in adolescents, focusing on the tibial tubercle.
Read more

Child’s Persistent Papular Rash

Molluscum contagiosum
A 7-year-old with atopic dermatitis has a 3-month history of a widespread, mildly itchy papular rash. Explore the diagnosis of this common viral skin infection.
Read more