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

Osler nodes may accompany bacteremia without endocarditis, septic endarteritis, typhoid fever, gonococcemia, systemic lupus erythematosus, and nonbacterial thrombotic endocarditis.

Osler Nodes

A 76-year-old woman seeks your attention for an asymptomatic “red spot” on her neck. She has a history of multiple non-melanoma skin cancers.

Squamous cell carcinoma in situ (Bowen  disease)

Lichenoid keratosis (an inflammatory variant of seborrheic keratosis)

A 76-year-old woman seeks your attention for an asymptomatic “red spot” on her neck. What does this look like to you?

Clinical Topics

What's This "Red Spot"?

A 27-year-old woman intermittently experiences painful oral lesions such as this one on her upper lip. She denies a history of genital lesions or ophthalmologic problems and is otherwise in superb health.

A 27-year-old woman intermittently experiences painful oral lesions such as this one on her upper lip. Your impression?

Oral Lesions

A 9-year-old boy presented with a 1-week history of pruritus and rash on his elbows, knees, back, and legs. Several areas of excoriation were noted. He had recently run through a field of tall grass but denied any other exposure history.

A 9-year-old boy presented with a 1-week history of pruritus and rash on his elbows, knees, back, and legs. He had recently run through a field of tall grass but denied any other exposure history. Your Dx?

What Cause of This Itchy Rash?


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? 

Intensely Pruritic Rash After Sun Exposure in a Tween Girl 

The mother of a 10-year-old boy brings him in for evaluation of his moles (which are all benign). During the visit, the mother asks about the lesions on the first 2 knuckles of his right hand; she initially noticed them several months earlier. The boy is otherwise healthy.

White Knuckles

A 66-year-old woman had a mildly pruritic rash on the buttocks, lower back, abdomen, and upper posterior thighs. The eruption had been present for approximately 18 months.

A 66-year-old woman had a mildly pruritic rash on the buttocks, lower back, abdomen, and upper posterior thighs. The eruption had been present for approximately 18 months. Your diagnosis?

“Swimsuit Area” Rash: Your Dx?

Vishal K. Patel, MD

Articles

Latest Updated Articles