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

Diabetes Type 2

Thyroid Disorders 

Endocrinology 

C Difficile Infection

Celiac disease

GERD

Inflammatory Bowel Disease

Irritable Bowel Syndrome 

Gastroenterology

Geriatrics

Hepatitis

MASLD/MASH

Hepatology

C difficile

Cold, Cough, and Flu

Coronavirus

HIV AIDS

Hepatitis C

Immunization

Influenza

Pneumonia

Sexually transmitted infections

Infectious Disease

Chronic Kidney Disease

Nephrology

Alzheimer Disease/Dementia

Cerebrovascular Diseases

Dementia

Epilepsy

Headache

Headache and Migraine

Mental Health

Migraine

Nervous System Diseases

Parkinson Disease

Sleep Disorders

Stroke

Neurology

Obesity Medicine

Oncology

Fibromyalgia

Pain Management

Pediatric Immunization

Child/Adolescent

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


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 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?

Clinical Topics

“Swimsuit Area” Rash: Your Dx?

A 19-year-old woman has had a blue-black nodule next to her left eye since birth. After recent accidental trauma, the lesion has enlarged.

Recent trauma caused this lesion, which had been present since the patient’s birth, to enlarge. What is it?

Blue-Black Nodule

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 31-year-old woman complains of episodes of weakness, upper abdominal discomfort, and nausea for the past 6 months. She also states that her skin appears to be getting darker even though she spends no more time in the sun than usual. Her hand is seen on the right in the

B. Cushing's disease (due to elevated ACTH) 

A 31-year-old woman presents with ongoing weakness and malaise and says her skin seems to be getting darker without exposure to the sun. Your Dx?

Darkened Epidermis 

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

Neil R. Powe, MD, MPH, MBA

Articles

Latest Updated Articles