Lipoma — When Should It Be Removed, and Can It Be Dangerous?

Medical author: Piotr Rak, MD, PhD, specialist in general and oncological surgery — subject to approval before publication · Editorial preparation: Wyspa Medycyny Przyjaznej Editorial Team · Medical review: Piotr Rak, MD, PhD — to be confirmed before publication · Date created: 10 July 2026 · Review date: to be completed after approval · Updated: 10 July 2026

This article is educational and does not replace a surgical consultation, ultrasound examination or histopathological examination. Every new, growing, painful, hard, deep, fixed or recurrent lump under the skin should be assessed by a doctor.

Key information at a glance

• A lipoma is usually a benign lesion made of fatty tissue — it is not cancer and generally does not pose an oncological threat.
• A typical lipoma is soft, elastic, mobile under the skin, usually painless and slow-growing.
• It most commonly occurs on the trunk, neck, upper arms, back, shoulders, thighs or forearms, but may appear in many locations.
• Not every lump under the skin is a lipoma. Epidermoid cysts, other cysts, fibromas, enlarged lymph nodes, abscesses, post-traumatic lesions or, less commonly, soft-tissue tumours may look similar.
• A lipoma may be observed if it is typical, small, soft, not growing rapidly and not causing symptoms — after medical assessment.
• Excision may be considered when the lipoma grows, hurts, causes discomfort, compresses or becomes irritated, is located in a visible area, limits movement or the diagnosis is uncertain.
• Large, rapidly growing, deep, hard, painful, fixed or recurrent lesions after previous removal require more detailed diagnostics.
• Ultrasound may help assess the location and nature of the lesion, but it does not always provide a definitive diagnosis.
• Histopathological examination after excision confirms what the removed lesion actually was.
• After complete removal, a lipoma usually does not recur in the same location, but recurrence is possible, particularly if it was incompletely removed or the patient has a tendency to develop multiple lipomas.

Learn more about the specialist

Piotr Rak, MD, PhD, is a specialist in general and oncological surgery at Wyspa Medycyny Przyjaznej in Gdańsk. The WMP website states that he primarily performs surgery of the skin and subcutaneous tissue, including surgical removal of skin lesions, moles, epidermoid cysts, lipomas and other lesions requiring assessment and procedural treatment.

Meet Piotr Rak, MD, PhD

Does this topic make sense for SEO, AI and Google Search?

Yes. Patients very often search for answers to questions such as: “is a lipoma cancer”, “when should a lipoma be removed”, “is a lipoma dangerous”, “does a lipoma grow back”, “what could a lump under the skin be”, “lipoma or epidermoid cyst”, “lipoma or sarcoma”, “lipoma histopathology”, “does a lipoma hurt”, “rapidly growing lipoma” and “lipoma removal Gdańsk”. An educational blog should answer these questions calmly, but it should not imitate a service page.

This text should therefore not describe the price, surgical technique, preparation, duration of the procedure or booking process in detail. That information should remain on the service page about removal of skin lesions or surgical removal of lipomas. The blog should build knowledge and trust and guide the patient to the appropriate page when a consultation or removal is needed.

What is a lipoma?

A lipoma is a benign tumour made of fat cells. It is most often located under the skin in the subcutaneous tissue and can be felt as a soft, elastic lump. It usually grows slowly over months or years and does not cause pain.

A typical lipoma is mobile in relation to the skin and underlying tissues. Patients often describe it as “a ball under the skin”, “a soft lump”, “a thickening” or “something that moves under the fingers”. A lipoma may measure a few millimetres, several centimetres or sometimes more.

Most importantly, a lipoma itself is not cancer. It is a benign lesion. The difficulty is that not every lump a patient calls a lipoma is actually a lipoma. A new or changing lump under the skin should therefore be shown to a doctor.

What does a typical lipoma look and feel like?

A typical lipoma has several features that often help distinguish it from other subcutaneous lesions. These features are not, however, sufficient for self-diagnosis.

• it is soft or elastic,
• it is mobile under the skin,
• it is usually painless,
• it grows slowly,
• it has smooth borders,
• the skin over it usually looks normal,
• it is not red, hot or discharging pus,
• it often occurs on the back, neck, shoulders, upper arms, abdomen or thighs.

If the lump is hard, fixed, rapidly growing, painful, located deep beneath the skin, larger than 5 cm, recurrent after previous removal or associated with skin changes, it should not be assumed to be an ordinary lipoma.

How does a lipoma develop?

The exact cause of lipomas is not always known. They are local overgrowths of fatty tissue and do not simply result from being overweight. A lipoma may occur in a slim person as well as in someone with a higher body weight.

Family predisposition may play a role in some patients. Some people have a single lipoma, while others develop multiple lesions in different areas of the body. Patients sometimes notice a lump after an injury, although this does not necessarily mean that the injury caused it.

A lipoma does not develop because the patient “neglected something”. It is not an infection, abscess or usually an inflammatory lesion. This matters because a lipoma cannot be squeezed out or treated with an ointment.

Is a lipoma cancer?

No. A typical lipoma is benign and is not cancer. This is one of the most common concerns among patients who feel a lump under the skin. The word “tumour” can sound alarming, but in medicine it simply means a mass, thickening or tissue growth — not necessarily a malignant cancer.

Two things should, however, be distinguished: a diagnosed lipoma and a lump the patient suspects is a lipoma. If a doctor sees a typical, soft, slowly growing superficial lesion, the risk is usually low. If the lesion is unusual, large, deep, hard or rapidly growing, it requires more detailed assessment.

Rare soft-tissue cancers such as liposarcoma may be confused with benign fatty tumours, particularly when a lesion is large, deep or growing. This does not mean that every lipoma “can turn into cancer”. It means that an atypical tumour should be examined rather than assessed only online.

When should a lump under the skin be concerning?

Most subcutaneous lumps are benign, but certain features warrant a quicker consultation. The aim is not to frighten the patient, but to reasonably distinguish typical lesions from those requiring diagnostics.

A medical consultation is particularly advisable if the lump:

• is growing rapidly,
• is larger than 5 cm in diameter,
• is located deep beneath the skin,
• is hard, firm or fixed to underlying tissues,
• causes pain, numbness, tingling or impaired limb function,
• has returned after previous removal,
• appears in an older person and enlarges rapidly,
• is in an unusual location,
• causes asymmetry, pressure or limited movement,
• is red, hot, producing pus or appears infected,
• is accompanied by general symptoms such as fever, weakness, night sweats or unintentional weight loss.

These symptoms do not automatically mean a malignant tumour. They do mean that diagnostics should not be delayed.

Lipoma, epidermoid cyst, abscess or lymph node?

Patients very often use the word “lipoma” for any lump under the skin. In reality, many different lesions can be found beneath the skin. Correct diagnosis matters because management differs for a lipoma, epidermoid cyst, abscess, enlarged lymph node or soft-tissue tumour.

This table does not replace an examination. It illustrates why a “lump under the skin” should not be diagnosed solely by touching it or comparing internet photographs.

Does a lipoma hurt?

A typical lipoma is usually painless. Patients most often notice it accidentally while washing, dressing, having a massage or simply touching the skin. Pain may occur if the lipoma compresses a nerve, is located in an area exposed to friction, is larger or irritates surrounding tissues.

Some types of fatty tumours, such as angiolipomas, are more likely to be painful. On the other hand, a painful lump is not always a lipoma — it may be an abscess, an inflamed epidermoid cyst, a post-traumatic lesion, a neuroma or another condition. Pain is therefore a good reason to seek consultation.

When can a lipoma be observed?

Not every lipoma requires excision. If it is small, soft, mobile, painless, growing very slowly or not at all, and has been assessed by a doctor as typical, observation may be considered. Observation does not mean ignoring the lesion.

In practice, it is worth monitoring:

• whether the lump is growing,
• whether its consistency changes,
• whether it starts to hurt,
• whether it becomes less mobile,
• whether the skin over it changes,
• whether new lumps appear,
• whether it begins to interfere with movement, sitting, sleeping or clothing.

If anything changes, it is better to return to the doctor than assume that “because it was once called a lipoma, it will never matter”.

When is it worth removing a lipoma?

Lipoma excision may be considered for several reasons. Suspicion of cancer is not always the reason. Sometimes the indication is discomfort, cosmetic concerns, pressure, irritation from clothing or the need for a definitive diagnosis by histopathology.

The most common reasons for surgical consultation and considering removal include:

• the lipoma is growing,
• the lesion is painful or tender,
• the lump interferes with clothing, sitting, lying down or activity,
• the lesion is in a visible location and causes cosmetic concern,
• the lipoma compresses a nerve, muscle or another structure,
• the diagnosis is uncertain,
• the lesion has atypical features,
• the patient has several similar lesions and one begins to behave differently,
• the lump has returned after a previous procedure,
• the doctor recommends histopathological examination after removal.

Details of the procedure, preparation, anaesthesia, price, healing and postoperative recommendations should be discussed on the service page and during eligibility assessment. The purpose of the blog is to help patients understand when it is worth seeing a surgeon at all.

Can a lipoma disappear on its own?

A lipoma usually does not disappear on its own. It may remain the same size for a long time or grow very slowly, but it generally does not “dissolve” like a bruise or swelling. Ointments, massage, compresses, supplements and attempts to “break up” the lump do not remove a lipoma.

If a lump suddenly becomes smaller, painful, red, starts discharging or changes in appearance, it may not have been a typical lipoma or another process such as inflammation may have developed. It should then be shown to a doctor.

Can a lipoma return after excision?

After complete surgical removal, a lipoma usually does not return in the same location. Recurrence is nevertheless possible, particularly if the lesion was difficult to separate, had an irregular shape, was located more deeply or was not removed completely.

A recurrence in the same location should also be distinguished from the appearance of a new lipoma elsewhere. Some patients have a tendency to develop multiple lipomas. Removing one lesion does not mean that no new ones will appear in the future.

If a lump returns after previous removal, grows rapidly or looks different than before, it should be reassessed and imaging and histopathology may need to be considered.

Why is histopathology performed after lipoma removal?

Histopathological examination involves assessing the removed tissue under a microscope. It confirms whether the lesion was truly a lipoma or another type of subcutaneous lesion. With typical small lipomas, patients may feel that histopathology is merely a formality, but medically it can be very important.

Histopathology is particularly important when:

• the lesion was growing,
• it was large,
• it was deep,
• it was painful,
• it appeared atypical on examination,
• it had an irregular structure,
• it recurred after previous removal,
• the doctor had any diagnostic doubts.

From the patient’s perspective, the histopathology result provides reassurance: the diagnosis is based not only on the appearance of the lump, but on examination of the removed tissue.

Is ultrasound enough to diagnose a lipoma?

Soft-tissue ultrasound is very helpful, especially when the lump is larger, deeper or unclear, or when its location needs to be assessed before a planned procedure. Ultrasound may show whether the lesion lies in the subcutaneous tissue or deeper, as well as its size, shape and relationship to surrounding tissues.

Ultrasound does not always provide a definitive diagnosis. If the image is atypical, the lump is rapidly growing, deep or large, the doctor may recommend further diagnostics such as magnetic resonance imaging, biopsy or diagnostic excision with histopathological examination.

The safest approach combines medical examination, history, possible ultrasound and — if the lesion is removed — histopathology.

Can a lipoma be removed without surgery?

Patients often ask whether a lipoma can be “dissolved”, “suctioned out”, “treated with an ointment” or “reduced through diet”. A typical lipoma cannot be effectively removed with an ointment, supplement or compress. If the entire lesion is to be removed and submitted for histopathological examination, surgical excision is the standard approach.

In selected situations, less conventional techniques such as liposuction of selected fatty lesions may be available, but they do not always provide a complete specimen for histopathology and are not always appropriate. The choice of method depends on the diagnosis, size, location and goal of treatment.

If a definitive diagnosis is the priority, the lesion should be removed in a way that allows histopathological assessment.

Will there be a scar after lipoma removal?

Every skin incision may leave a scar. Its appearance depends on the size and location of the lesion, skin tension, suturing technique, wound care, the patient’s individual predisposition and the course of healing. It is not honest to promise a “scar-free” procedure. The incision and wound closure can, however, be planned so that the scar is as favourable as reasonably possible.

Larger lipomas and lesions on the back, shoulders or areas of skin tension may require a longer incision. Patients sometimes expect a very small scar, but an opening that is too small can make complete removal difficult. This should be discussed before the procedure: aesthetics matter, but should not take priority over safety and complete excision.

What should you not do with a suspected lipoma?

With any lump under the skin, avoid actions that may cause harm or delay the correct diagnosis. Do not:

• squeeze the lump,
• puncture it yourself,
• apply irritating products found online,
• massage it aggressively in the belief that it will “break up”,
• attempt to remove it at home,
• assume that every lump is a lipoma,
• delay consultation if the lump grows, hurts or is hard,
• decline histopathology if the doctor recommends it,
• base decisions only on internet photographs.

Manipulating the lesion yourself may cause inflammation, infection or scarring, or delay the diagnosis of a lesion that is not a lipoma.

Common myths about lipomas

• “A lipoma is cancer.” No. A typical lipoma is benign and is not cancer.
• “Every lump under the skin is a lipoma.” No. Many different lesions can occur under the skin, so assessment is needed.
• “If it does not hurt, it cannot be serious.” Not always. Some lesions, including more serious ones, may be painless.
• “A lipoma can be squeezed out.” No. A lipoma is not a pimple or a cyst containing material that can be expressed.
• “Ointments dissolve lipomas.” There is no reliable topical method that removes a typical lipoma.
• “If it is removed, it always grows back.” No. After complete removal, it usually does not recur in the same location, although recurrence or new lipomas are possible.
• “Ultrasound is always enough.” Not always. Atypical lesions may require histopathology, biopsy or more extensive diagnostics.
• “The smaller the incision, the better.” Not always. An incision that is too small may make safe and complete removal more difficult.
• “Histopathology is unnecessary if the doctor thought it was a lipoma.” Not always. Histopathology confirms the diagnosis, particularly for surgically removed or atypical lesions.

Do you have a lump under the skin and are unsure whether it is a lipoma?

Not every lump requires removal, but every growing, painful, hard, deep or atypical lump is worth assessing. A surgeon can determine whether observation, ultrasound or removal with histopathology is appropriate.

Consultation and lipoma removal at Wyspa Medycyny Przyjaznej

At Wyspa Medycyny Przyjaznej in Gdańsk, Piotr Rak, MD, PhD, assesses and removes lesions of the skin and subcutaneous tissue, including lipomas, epidermoid cysts, moles and other lumps requiring surgical evaluation. In the case of a lipoma, the doctor assesses its size, location, growth rate, symptoms, the appearance of the skin, mobility and the possible need for imaging.

If the lesion is suitable for removal, details of the procedure, anaesthesia, suturing, postoperative recommendations, cost and the need for histopathology should be discussed during the consultation or on the service page. This blog helps patients understand when a lump under the skin needs assessment and why a “lipoma” should not always be self-diagnosed.

Learn more about Piotr Rak, MD, PhD Removal with histopathology Surgery

What should you ask the surgeon if a lipoma is suspected?

• Does this lesion look like a typical lipoma?
• Is a soft-tissue ultrasound needed?
• Is the lump superficial or located more deeply?
• Does the lesion have any warning features?
• Can it be observed safely?
• Is excision advisable because of growth, pain, pressure or diagnostic uncertainty?
• Is histopathological examination recommended after removal?
• How large might the scar be?
• Can the lesion return after removal?
• Is broader diagnostics needed if there are multiple lipomas?
• Which symptoms should prompt a more urgent visit?
• Can the procedure be performed under local anaesthesia?

FAQ — lipoma, excision and histopathological examination

Is a lipoma cancer?

No. A typical lipoma is a benign fatty-tissue lesion and is not cancer. It is important to remember, however, that not every lump under the skin is a lipoma, so atypical lesions require diagnostics.

Can a lipoma be dangerous?

A typical lipoma is usually not dangerous. Rapidly growing, large, deep, hard, painful, fixed or recurrent lumps after previous removal are, however, concerning and require assessment.

When should a lipoma be removed?

Excision may be considered when the lipoma grows, hurts, causes discomfort, compresses nearby structures, becomes irritated, is located in a visible area, limits movement or when the diagnosis is uncertain and histopathology is needed.

Does every lipoma need to be removed?

No. A small, typical, soft, painless and stable lipoma can sometimes be observed after medical assessment. Removal is not always necessary.

Does a lipoma hurt?

It is usually painless. Pain may occur if the lesion compresses a nerve, is exposed to irritation, lies in a difficult location or is not a typical lipoma.

Will a lipoma disappear on its own?

Usually not. A lipoma may remain stable for a long time or grow slowly, but it generally does not resolve spontaneously. Ointments and compresses do not remove a typical lipoma.

Can a lipoma grow back after excision?

After complete removal, it usually does not return in the same location, but recurrence is possible, particularly if it was incompletely removed. Some people may also develop new lipomas elsewhere.

Is histopathology needed after lipoma removal?

Histopathological examination is often advisable because it confirms the diagnosis. It is particularly important for large, growing, painful, deep, atypical or recurrent lesions.

Is ultrasound enough to diagnose a lipoma?

Ultrasound can be very helpful, but it does not always provide a definitive diagnosis. Atypical, deep, large or rapidly growing lesions may require further diagnostics or histopathological examination.

Can a lipoma be removed with an ointment?

No. A typical lipoma cannot be removed with ointments, compresses or squeezing. If it is to be removed, this is usually done surgically.

Who assesses lipomas at WMP?

At Wyspa Medycyny Przyjaznej, lipomas and other skin and subcutaneous-tissue lesions are assessed and removed, among others, by Piotr Rak, MD, PhD, specialist in general and oncological surgery.

Sources for medical and editorial verification

• Wyspa Medycyny Przyjaznej, Piotr Rak, MD, PhD: https://www.wyspamedycynyprzyjaznej.pl/pl/dr-piotr-rak
• Wyspa Medycyny Przyjaznej, surgical removal of skin lesions with histopathological examination: https://www.wyspamedycynyprzyjaznej.pl/pl/usuniecie-zmian-skornych-z-badaniem-histopatologicznym-gdansk
• Wyspa Medycyny Przyjaznej, lump under the skin: https://www.wyspamedycynyprzyjaznej.pl/pl/guz-pod-skora
• Wyspa Medycyny Przyjaznej, epidermoid cyst: https://www.wyspamedycynyprzyjaznej.pl/pl/kaszak
• NHS, Lipoma: https://www.nhs.uk/conditions/lipoma/
• Mayo Clinic, Lipoma — symptoms and causes: https://www.mayoclinic.org/diseases-conditions/lipoma/symptoms-causes/syc-20374470
• Mayo Clinic, Lipoma — diagnosis and treatment: https://www.mayoclinic.org/diseases-conditions/lipoma/diagnosis-treatment/drc-20374474
• Cancer Research UK, Soft tissue sarcoma symptoms: https://www.cancerresearchuk.org/about-cancer/soft-tissue-sarcoma/symptoms
• British Sarcoma Group, Guidelines for the management of soft tissue sarcomas: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2903951/
• NCBI Bookshelf / StatPearls, Lipoma: https://www.ncbi.nlm.nih.gov/books/NBK507906/
• Radiopaedia, Lipoma: https://radiopaedia.org/articles/lipoma
• Google Search Central, Creating helpful, reliable, people-first content: https://developers.google.com/search/docs/fundamentals/creating-helpful-content
• Google Search Central, Article structured data: https://developers.google.com/search/docs/appearance/structured-data/article
• Google Search Quality Rater Guidelines: https://guidelines.raterhub.com/searchqualityevaluatorguidelines.pdf