Lymphocytic Infiltrate of Jessner: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Lymphocytic Infiltrate of Jessner?
A primary care doctor is often the first person people see and can start the evaluation and decide whether a biopsy is needed. Because the condition is rare, many primary care doctors refer patients to a dermatologist, a doctor who specializes in skin conditions. The dermatologist often manages treatment from there.
What it is
Lymphocytic Infiltrate of Jessner is a rare skin condition. It happens when a type of white blood cell called a lymphocyte gathers in small clumps in the top layers of the skin. The condition is benign, meaning it is not cancer and does not spread. Some people have it for a while and then it goes away on its own; others have it for years.
Symptoms
The main sign is one or more smooth, firm bumps or raised patches, usually red or skin colored, often on the face, neck, or upper back. They usually do not hurt or itch and may grow slowly over weeks or months. Sunlight can sometimes make the bumps look worse.
Causes and who gets it
Doctors do not know exactly what causes this condition, though many think sunlight plays a role. It is not contagious. It is seen more often in adults, and some studies find it more often in men than in women.
How doctors diagnose it
There is no single blood test for this condition. The most helpful test is a skin biopsy, where a doctor removes a small piece of skin so a specialist can look at it under a microscope. The biopsy shows clumps of lymphocytes and helps rule out other problems that can look similar, such as lupus or a slow skin infection.
Treatment
Because the condition is harmless, some people choose no treatment, especially if the bumps are small. In some people the bumps fade on their own over months or years. When treatment is wanted, doctors may prescribe a steroid cream or injection, or sometimes antimalarial medicines, which can calm certain skin and immune problems. Sun protection with clothing, hats, and sunscreen is often suggested because sun can trigger flares.
When to see a doctor
Anyone who notices a new bump or patch that does not go away should have it checked, especially if it grows, changes color, bleeds, or breaks open. Getting a clear diagnosis early can bring peace of mind and open up treatment choices.
How a direct primary care or concierge doctor fits in
A direct primary care or concierge doctor can also be a good starting point. These doctors often have longer visits, giving them time to examine the skin carefully and answer questions. When a biopsy or expert skin care is needed, they refer the patient to a dermatologist and coordinate follow up care.
Common questions
Is Lymphocytic Infiltrate of Jessner cancer?
No. It is a benign condition, which means it is not cancer and does not spread inside the body. A biopsy is done partly to confirm this and to rule out conditions that can look similar.
Will the bumps go away on their own?
Sometimes they do, but not always. Some people see the bumps fade over months or years, while others have them for a long time.
Is this condition contagious?
No. It cannot be spread to other people through touch or close contact. It is a reaction happening inside the person's own skin.
Sources
- NIH Genetic and Rare Diseases Information Center - Jessner lymphocytic infiltration of the skin
- MedlinePlus - Skin Conditions
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
