Lipoatrophia Annularis

Last updated: February 8, 2026Reviewed date: February 8, 2026Reading time: 11 min read
Lipoatrophia Annularis
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Article Summary

Lipoatrophia annularis is a skin condition that is characterized by circular or annular (ring-shaped) lesions on the skin. These lesions are usually depressed and lack subcutaneous fat, hence the term "lipoatrophia," which means loss of fat. The condition is also known by several other names, including atrophic annular dermatitis, annular atrophic dermatitis, and annular lipoatrophy. There are several types of lipoatrophia annularis, including the following:...

Key Takeaways

  • This article explains Causes in simple medical language.
  • This article explains Symptoms in simple medical language.
  • This article explains Diagnosis in simple medical language.
  • This article explains Treatment in simple medical language.
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Definition

Lipoatrophia annularis is a skin condition that is characterized by circular or annular (ring-shaped) lesions on the skin. These lesions are usually depressed and lack subcutaneous fat, hence the term “lipoatrophia,” which means loss of fat. The condition is also known by several other names, including atrophic annular , annular atrophic dermatitis, and annular lipoatrophy.

There are several types of lipoatrophia annularis, including the following:

  1. lipoatrophia annularis: This is the most common type of lipoatrophia annularis and is characterized by rings of depigmented skin that are surrounded by normal skin. The cause of this type of lipoatrophia annularis is unknown.
  2. Drug-induced lipoatrophia annularis: This type of lipoatrophia annularis is caused by certain medications, including tetracycline, minocycline, and isotretinoin. The lesions appear as rings of depigmented skin that are surrounded by normal skin.
  3. Secondary syphilis-associated lipoatrophia annularis: This type of lipoatrophia annularis is associated with secondary syphilis and is characterized by rings of depigmented skin that are surrounded by normal skin.
  4. Tuberculoid leprosy-associated lipoatrophia annularis: This type of lipoatrophia annularis is associated with tuberculoid leprosy and is characterized by rings of depigmented skin that are surrounded by normal skin.
  5. Leprosy-associated lipoatrophia annularis: This type of lipoatrophia annularis is associated with leprosy and is characterized by rings of depigmented skin that are surrounded by normal skin.

Causes

The exact cause of this condition is still unknown, but there are several theories and potential contributing factors that have been proposed. Here are possible causes of lipoatrophia annularis:

  1. : Some cases of lipoatrophia annularis may be caused by an autoimmune reaction where the body’s immune system mistakenly attacks and destroys the fat cells.
  2. Infections: Certain infections, such as HIV or Lyme disease, can cause fat loss in the affected areas.
  3. Drug reactions: Certain medications, such as corticosteroids or antiretrovirals, have been known to cause fat loss as a .
  4. Metabolic disorders: Lipoatrophia annularis has been associated with metabolic disorders such as , , and Cushing’s .
  5. : Physical trauma, such as a blow to the affected area, can result in fat loss.
  6. : Radiation therapy for cancer can cause fat loss in the treated area.
  7. Toxins: Exposure to certain toxins, such as lead or mercury, can cause fat loss.
  8. Nutritional deficiencies: A lack of essential nutrients, such as protein or vitamins, can result in fat loss.
  9. Hormonal imbalances: Hormonal imbalances, such as those seen in or andropause, can cause fat loss.
  10. Genetics: There may be a component to the development of lipoatrophia annularis, as some cases seem to run in families.
  11. Neuromuscular disorders: Certain neuromuscular disorders, such as motor neuron disease or myasthenia gravis, can result in fat loss.
  12. Psychological stress: Psychological stress has been linked to fat loss in some individuals.
  13. Inflammatory conditions: Inflammatory conditions, such as sarcoidosis or , can cause fat loss.
  14. Idiopathic causes: In many cases, the cause of lipoatrophia annularis is unknown and is referred to as idiopathic.
  15. Environmental factors: Exposure to certain environmental factors, such as cold temperatures or high altitude, can result in fat loss.
  16. Lack of physical activity: A sedentary lifestyle can contribute to fat loss in some individuals.
  17. Sleep disorders: Sleep disorders, such as , can result in fat loss.
  18. Aging: As individuals age, they may experience a natural decline in fat tissue.
  19. Cancer: In rare cases, lipoatrophia annularis may be a sign of underlying cancer.
  20. Idiopathic subcutaneous fat necrosis: This condition is characterized by the sudden loss of fat tissue and can occur in areas affected by lipoatrophia annularis.

It is important to note that many of these causes can overlap and contribute to the development of lipoatrophia annularis. Additionally, the presence of one or more of these factors does not necessarily mean that an individual will develop the condition.

Symptoms

The condition can affect any part of the body, but it is most commonly seen on the face, arms, legs, and trunk. The exact cause of lipoatrophia annularis is unknown, but it is believed to be related to a combination of factors including genetics, disorders, medications, infections, and exposure to environmental toxins. In this article, we will discuss the symptoms associated with lipoatrophia annularis.

  1. Circular or ring-shaped patches of fat loss: The most obvious symptom of lipoatrophia annularis is the presence of circular or ring-shaped patches of fat loss. These patches are usually well-defined and can be several centimeters in diameter.
  2. Depressed or sunken appearance of the skin: The loss of fat tissue in the affected areas can result in a sunken or depressed appearance of the skin. This can be particularly noticeable on the face, where the cheeks and temples may appear sunken.
  3. Skin thinning: The loss of fat tissue in the affected areas can also result in skin thinning. This can make the skin more transparent and more easily visible and bones.
  4. : Some people with lipoatrophia annularis may experience itching in the affected areas.
  5. Burning sensation: Some people may experience a burning sensation in the affected areas.
  6. : In some cases, lipoatrophia annularis can cause pain in the affected areas.
  7. Changes in skin color: The affected areas may become lighter or darker in color compared to surrounding skin.
  8. or : Some people may experience tingling or numbness in the affected areas.
  9. : In cases, lipoatrophia annularis can cause muscle in the affected areas.
  10. Joint pain: Some people may experience joint pain in the affected areas.
  11. : In some cases, the affected areas may become swollen.
  12. Blisters: In rare cases, blisters may develop in the affected areas.
  13. Crusting: The affected areas may become crusted or scaly.
  14. Scarring: In severe cases, lipoatrophia annularis can result in scarring of the affected areas.
  15. Nail changes: The nails may become brittle, split, or discolored.
  16. Hair loss: In some cases, hair loss may occur in the affected areas.
  17. Slow wound healing: Wounds in the affected areas may heal more slowly than usual.
  18. Increased susceptibility to infections: People with lipoatrophia annularis may be more susceptible to infections in the affected areas.
  19. Psychological distress: The physical changes associated with lipoatrophia annularis can cause psychological distress, including anxiety and depression.
  20. : Some people with lipoatrophia annularis may experience fatigue.

It is important to note that the severity and frequency of symptoms can vary greatly from person to person. In some cases, lipoatrophia annularis may resolve on its own, while in others, it may persist for years or even be permanent.

Here are 20 diagnostic tests that may be used to diagnose lipoatrophia annularis:

  1. Physical examination: A physical examination by a dermatologist or a doctor can help diagnose lipoatrophia annularis. The doctor will look for the characteristic ring-shaped or circular patches of fat loss on the skin.
  2. Skin : A skin biopsy is a procedure in which a small piece of skin is removed for examination under a microscope. This test can help determine the extent of fat loss and the presence of any underlying skin conditions that may be contributing to the symptoms.
  3. Blood tests: Blood tests can help rule out other medical conditions that may cause similar symptoms, such as disorders, autoimmune disorders, and hormonal imbalances.
  4. X-rays: X-rays can help determine if there are any underlying bone or joint abnormalities that may be contributing to the symptoms.
  5. : Ultrasound can help determine if there is any underlying fat loss in other parts of the body, such as the liver, pancreas, or muscles.
  6. MRI: Magnetic resonance imaging (MRI) can help determine if there is any underlying fat loss in other parts of the body, such as the brain or spinal cord.
  7. CT scan: Computed tomography (CT) scan can help determine if there are any underlying bone or joint abnormalities that may be contributing to the symptoms.
  8. Skin cultures: Skin cultures can help determine if there is any underlying skin infection that may be contributing to the symptoms.
  9. Allergy testing: Allergy testing can help determine if there is an underlying allergy that may be contributing to the symptoms.
  10. Patch testing: Patch testing can help determine if there is an underlying skin allergy that may be contributing to the symptoms.
  11. Photopatch testing: Photopatch testing can help determine if there is an underlying photoallergy that may be contributing to the symptoms.
  12. Prick testing: Prick testing can help determine if there is an underlying skin allergy that may be contributing to the symptoms.
  13. Intradermal testing: Intradermal testing can help determine if there is an underlying skin allergy that may be contributing to the symptoms.
  14. Blood glucose testing: Blood glucose testing can help determine if there is an underlying diabetes that may be contributing to the symptoms.
  15. Lipid profile testing: Lipid profile testing can help determine if there is an underlying lipid disorder that may be contributing to the symptoms.
  16. Hormonal testing: Hormonal testing can help determine if there is an underlying hormonal imbalance that may be contributing to the symptoms.
  17. Thyroid function tests: Thyroid function tests can help determine if there is an underlying thyroid disorder that may be contributing to the symptoms.
  18. Autoantibody testing: Autoantibody testing can help determine if there is an underlying autoimmune disorder that may be contributing to the symptoms.
  19. Genetic testing: Genetic testing can help determine if there is an underlying genetic condition that may be contributing to the symptoms.
  20. Family history: A review of the patient’s family history can help determine if there is a hereditary pattern of lipoatrophia annularis or other related skin conditions.

Treatment

Potential treatments for lipoatrophia annularis:

  1. Topical Corticosteroids: Corticosteroids are often used to reduce inflammation and itching associated with skin conditions. They can be applied topically in the form of creams, ointments, or gels.
  2. Topical Calcineurin Inhibitors: Calcineurin inhibitors, such as pimecrolimus and tacrolimus, are immunomodulatory agents that can help reduce skin inflammation.
  3. Topical Vitamin D Analogues: Vitamin D analogues, such as calcitriol, can help regulate skin cell growth and differentiation.
  4. Topical Retinoids: Retinoids, such as tretinoin, can help promote skin cell turnover and reduce the appearance of skin aging.
  5. Topical Vitamin C: Vitamin C is an antioxidant that can help protect the skin from damage caused by free radicals.
  6. Topical Niacinamide: Niacinamide is a form of vitamin B3 that has been shown to improve the appearance of fine lines, wrinkles, and hyperpigmentation.
  7. Topical Copper Peptides: Copper peptides have been shown to promote skin healing and rejuvenation.
  8. Platelet-rich Plasma (PRP) Therapy: PRP therapy involves the injection of a patient’s own platelets into the affected area to promote healing and tissue regeneration.
  9. Microneedling: Microneedling involves the use of fine needles to create micro-injuries in the skin, which can stimulate the production of collagen and elastin.
  10. Laser Therapy: Laser therapy can help to improve the appearance of skin by reducing the appearance of fine lines, wrinkles, and hyperpigmentation.
  11. Chemical Peels: Chemical peels involve the application of a chemical solution to the skin, which can help to improve the appearance of fine lines, wrinkles, and hyperpigmentation.
  12. Dermabrasion: Dermabrasion involves the use of a rotating instrument to remove the outer layers of skin, which can help to improve the appearance of fine lines, wrinkles, and hyperpigmentation.
  13. Microdermabrasion: Microdermabrasion involves the use of fine crystals to remove the outer layers of skin, which can help to improve the appearance of fine lines, wrinkles, and hyperpigmentation.
  14. Phototherapy: Phototherapy involves the use of light energy to improve the appearance of skin.
  15. Intense Pulsed Light (IPL) Therapy: IPL therapy involves the use of intense pulses of light to improve the appearance of skin.
  16. Radiofrequency Therapy: Radiofrequency therapy involves the use of radiofrequency energy to improve the appearance of skin.
  17. Subcutaneous Injections: Subcutaneous injections of fillers, such as hyaluronic acid, can help to restore volume to the affected area and improve the appearance of skin.
  18. Fat Transfer: Fat transfer involves the removal of fat from one area of the body and its injection into the affected area to restore volume and improve the appearance of skin.

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  8. https://medlineplus.gov/skinconditions.html
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Doctor visit helper

Prepare before seeing a doctor

A simple rural-patient checklist to help you explain symptoms clearly, ask better questions, and avoid unsafe self-treatment.

Safety note: This is not a prescription or diagnosis. For severe symptoms, pregnancy danger signs, children with serious illness, chest pain, breathing difficulty, stroke-like weakness, or major injury, seek urgent care.

Which doctor may help?

Start with a registered doctor or the nearest qualified health center.

What to tell the doctor

  • Write when the problem started and how it changed.
  • Bring old prescriptions, investigation reports, and current medicines.
  • Write allergies, pregnancy status, diabetes, kidney/liver disease, and major past illnesses.
  • Bring one family member if the patient is weak, elderly, confused, or a child.

Questions to ask

  • What is the most likely cause of my symptoms?
  • Which danger signs mean I should go to hospital quickly?
  • Which tests are necessary now, and which can wait?
  • How should I take medicines safely and what side effects should I watch for?
  • When should I come for follow-up?

Tests to discuss

  • Vital signs: temperature, pulse, blood pressure, oxygen saturation
  • Basic physical examination by a clinician
  • CBC, urine test, blood sugar, or imaging only when clinically needed

Avoid these mistakes

  • Do not use antibiotics, steroid tablets/injections, or strong painkillers without proper medical advice.
  • Do not hide pregnancy, kidney disease, ulcer, allergy, or blood thinner use.
  • Do not delay emergency care when danger signs are present.

Medicine safety and first-aid guide

This section is for patient education only. It does not replace a doctor, pharmacist, or emergency care.

Safe first steps

  • Avoid heavy lifting, sudden bending, and prolonged bed rest.
  • Use comfortable posture and gentle movement as tolerated.
  • Discuss physiotherapy, X-ray, or MRI only when clinically needed.

OTC medicine safety

  • For mild back pain, pain-relief medicine may be discussed with a doctor or pharmacist.
  • Avoid repeated painkiller use if you have kidney disease, stomach ulcer, uncontrolled blood pressure, or are taking blood thinners.

Avoid these mistakes

  • Do not start antibiotics without a proper medical decision.
  • Do not use steroid tablets or injections casually for quick relief.
  • Do not delay emergency care because of home remedies.

Get urgent help if

  • Back pain with leg weakness, numbness around private area, loss of urine/stool control, fever, cancer history, or major injury needs urgent care.
Medicine names, dose, and timing must be decided by a qualified clinician or pharmacist after checking age, pregnancy, allergy, other diseases, and current medicines.

For rural patients and family caregivers

Patient health record and symptom diary

Write your symptoms, medicines already taken, test results, and questions before visiting a doctor. This note stays on your device unless you print or copy it.

Doctor to discuss: Doctor / qualified healthcare provider
Tests to discuss with doctor
  • Basic vital signs: temperature, pulse, blood pressure, oxygen level if needed
  • Relevant blood, urine, imaging, or specialist tests only after clinical assessment
Questions to ask
  • What is the most likely cause of my symptoms?
  • Which warning signs mean I should go to emergency care?
  • Which tests are really needed now?
  • Which medicines are safe for my age, pregnancy status, allergy, kidney/liver/stomach condition, and current medicines?

Emergency warning signs such as chest pain, severe breathing difficulty, sudden weakness, confusion, severe dehydration, major injury, or loss of bladder/bowel control need urgent medical care. Do not wait for online information.

Safe pathway to proper treatment

Care roadmap for: Lipoatrophia Annularis

Use this simple roadmap to understand the next safe steps. It is educational and does not replace examination by a doctor.

Go to emergency care if you notice:
  • Severe or rapidly worsening symptoms
  • Breathing difficulty, chest pain, fainting, confusion, severe weakness, major injury, or severe dehydration
Doctor / service to discuss: Qualified healthcare provider; specialist depends on symptoms and examination.
  1. Step 1

    Check danger signs first

    If danger signs are present, seek emergency care and do not wait for online information.

  2. Step 2

    Record the symptom story

    Write when symptoms started, severity, medicines already taken, allergies, pregnancy status, and test results.

  3. Step 3

    Visit a qualified clinician

    A doctor, nurse, or qualified healthcare provider can examine you and decide which tests or treatment are needed.

  4. Step 4

    Do only useful tests

    Do tests after clinical assessment. Avoid unnecessary tests, random antibiotics, or repeated medicines without diagnosis.

  5. Step 5

    Follow up and return early if worse

    If symptoms worsen, new warning signs appear, or treatment is not helping, return for review quickly.

Rural patient practical tips
  • Take a written symptom diary and all previous prescriptions/test reports.
  • Do not hide medicines already taken, even herbal or over-the-counter medicines.
  • Ask which warning signs mean urgent referral to hospital.

This roadmap is for education. A real diagnosis and treatment plan requires history, examination, and clinical judgment.