What's the underlying diagnosis?

Osteoarthritis vs Rheumatoid arthritis 🌟 يـزّن الغماس

COPD Overview 🌟 Credit: يـزّن الغماس

Inflammatory bowel disease (IBD) overview 🌟 Credit: يـزّن الغماس

Pharmacology pearl 🌟 Credit: يـزّن الغماس

19-year-old male • Congenital follicular openings on the left clavicle and upper back • Plugged with dark keratinous debris in a linear distribution with subtle background dyspigmentation 👇 👉 What is the diagnosis Credit: NEJM

Behind-the-scenes magic from Cleveland Clinic showing how 3D heart models help with complex cases and lead to better surgical outcomes!

Pathophysiology: Why pH Shifts Signal Infection in Wounds The skin's surface maintains an acidic mantle (normal pH ≈ 4.5–5.5, sometimes cited as ~5), created by sebum, sweat, fatty acids, and amino acids from keratinocytes. This acidity forms a key antimicrobial barrier: it