Adult Immunization

Anaphylaxis

Food Allergies

Seasonal Allergies

Allergy

Atrial Fibrillation

Cardiovascular Disease

Heart Failure

Hypertension

Lipid disorders

Cardiology

Clinical Technology

Atopic Dermatitis

Psoriasis

Rosacea

Dermatology

Adrenal Disorders

Diabetes

Thyroid Disorders 

Endocrinology 

C Difficile Infection

Celiac disease

GERD

Inflammatory Bowel Disease

Irritable Bowel Syndrome 

Gastroenterology

Hepatitis

MASLD/MASH

Hepatology

Coronavirus

HIV AIDS

Hepatitis C

Influenza

Pneumonia

Sexually transmitted infections

Infectious Disease

Chronic Kidney Disease

Nephrology

Alzheimer Disease/Dementia

Cerebrovascular Diseases

Dementia

Epilepsy

Headache

Mental Health

Migraine

Nervous System Diseases

Parkinson Disease

Sleep Disorders

Stroke

Neurology

Obesity Medicine

Fibromyalgia

Pain Management

Pediatric Immunization

Pediatrics

ADHD

Anxiety

Depression

Eating Disorders

PTSD

Panic Disorder  

Psychosis

Substance-related Disorders

Psychiatry 

Asthma

COPD

Cystic Fibrosis

Interstitial lung disease

Pulmonary hypertension

Respiratory Diseases

Pulmonology

Gout

Lupus

Osteoarthritis

Psoriatic arthritis

Rheumatoid Arthritis

Rheumatology

Breast Cancer

Cervical Cancer

Colorectal Cancer

Lung Cancer

Melanoma

Prostate Cancer

Renal Cancer

Skin cancer

Screening

Menopause

Osteoporosis

Pregnancy and Birth

Women's Health

News

All News

Editorial Podcasts

Practice Management

Video Interviews

Media

Around the Practice

Between the Lines

ConsultantLive

Frontline Insights

Institutional Insights

Primary View

Provider Toolkits

Screening Series

Conferences

Conference Coverage

Conference Listing

Product Theater Recaps

Resources

Interactive Posters

Product Profile

Publications

Subscribe

CE/CME

Patient Care Online offers clinical news and resources for primary care clinicians, focusing on disease states, guidelines, and trends to improve care.

About Us

Advertise

Contact Us

Editorial Board

Terms and Conditions

Privacy

Do Not Sell My Information

Patient Care Online – Primary Care News and Clinical Resources

Facebook

LinkedIn

Clinical Focus

Allergy & Immunology

Endocrinology

Men’s Health

Psychiatry

Women’s Health

Business Focus

Billing and Collections

Career Planning

Coding and Documentation

Concierge Medicine

Cybersecurity

EHRs

Investing

Patient Relations

Personal Finance

Remote Patient Monitoring

Staffing

Technology

Telehealth

Value-based Care

Spotlight

VMS and Menopause

Atopic Dermatitis Provider Toolkit

Adult Immunization Provider Toolkit

Dermatology Hot Topics

1rem

Authors


This intensely itchy, blistering rash on the forearms and upper chest of a 13-year-old girl occurred after a day at the beach. The girl had polymorphic light eruption (PMLE), the most common abnormal reaction to UV light.

A. PMLE classically presents as a papular or papulovesicular eruption on the arms and anterior chest

B. The reaction usually begins 12 to 24 hours after an initial exposure to light of a suddenly increased intensity

C. Some parts of the body are severely involved while similarly exposed areas are paradoxically spared

D. The rash resolves after 7 to 10 days, often leaving whitish scarring

What are the characteristics of this blistering rash caused by exposure to UV light? 

Clinical Topics

Intensely Pruritic Rash After Sun Exposure in a Tween Girl 

A 67-year-old woman seen in clinic for unrelated concerns is incidentally noted to have a “rash” on her flank. She says it appeared in adulthood and has been stable for some years. On the right lower back, there is an asymptomatic reticulated erythema without scale or ulceration

. The patient admits to regular heating pad use on her lower back for pain. The remainder of the skin examination is within normal limits.

The patient says the incidental finding appeared in adulthood and has been stable for years. Can you identify this reticulated erythema?

An Asymptomatic Rash on the Low Back of an Older Woman 

This asymptomatic, hyperpigmented, hairy lesion is on the left upper back of a 16-year-old boy. The pigmentation was first noted 5 years earlier; the coarse and dark hair confined to the hyperpigmented area had appeared at age 13 years. History and physical examination findings were unremarkable.

This asymptomatic, hyperpigmented lesion was first noted 5 years earlier on the left upper back of a 16-year-old boy. A nevus? Cafe au lait spot? 

Hairy Brownish Patch


These 2 patients presented with a swollen hand and rapidly proximally progressive edema secondary to a bite.

These 2 patients presented with a swollen hand and rapidly proximally progressive edema secondary to a bite. What creature did the biting?

Swollen Hands-What’s Biting?

A 67-year-old woman noted the appearance of several non-tender, rock-hard, purple-colored nodules on her legs. Her medical history was significant for distant non-Hodgkin lymphoma.

A 67-year-old woman noted the appearance of several non-tender, rock-hard, purple-colored nodules on her legs. Her medical history was significant for distant non-Hodgkin lymphoma. The violaceous color and configuration of the skin lesions suggests which of the following? 

Hard Purple Nodules: Your Dx?

A 42-year-old man presents with a pruritic rash characterized by pink, scaly plaques with a few crusted erosions on the elbows

knees, lower back, and buttocks. Review of systems was negative, although there was a strong positive family history of celiac disease. He took no medications and was otherwise healthy.

A pruritic, scaly rash appeared on this 42-year-old man's elbows, knees, lower back, and buttocks. Can you ID? 

Elbow Erosions 

AIDS Reader

Articles

Latest Updated Articles