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2.1
Chalazion
Meibomian Cyst

A meibomian cyst, commonly referred to as chalazion, is a non-infectious inflammatory disease of the sebaceous glands on the eyelids that presents as an enlarging lump over the course of days or weeks without resolution to topical antimicrobial therapy. Acne rosacea and seborrheic dermatitis increase the risk for meibomian cysts. Blurred vision may be encountered with larger meibomian cysts, while pain is almost always absent. The diagnosis rests on clinical criteria, but because malignant tumors may have an identical clinical presentation, a histopathological examination is advocated.

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Presentation

A meibomian cyst (also known as chalazion) arises when the outflow of the meibomian glands in the eyelids is blocked, leading to the accumulation of the secretions produced and the formation of a cyst [1] [2] [3] [4]. It is defined as a benign lipogranulomatous collection that develops from non-infectious causes, which is the crucial feature distinguishing it from a stye, which is formed because of a bacterial infection [4] [5] [6]. The clinical presentation is characterized by the appearance of a painless lump on the eyelid that grows over a period of days or weeks [1] [2]. The lump exhibits a variable degree of tenderness, swelling, and redness (depending on the stage) that often overlaps with the presentation of a stye, but all of the aforementioned signs eventually subside [1] [4]. Both upper and lower eyelids may be the location of a meibomian cyst, which can sometimes appear in multiple sites [4]. In some cases, the cyst may be large enough to induce mechanical ptosis or astigmatism, leading to symptoms such as blurred vision and deficits in the visual field [1] [4]. A cosmetic discomfort is also an important complaint and is often the main reason for a visit to the physician [4]. Several cutaneous disorders have been associated with an increased risk for meibomian cyst formation, including rosacea, seborrheic dermatitis, and blepharitis [1] [4].

Entire Body System

  • Inflammation

    An alternative to surgery involves administering a steroid injection into the affected gland to reduce the inflammation. [medicinenet.com]

    Styes are caused by an inflammation or infection in the eyelash follicles or oil glands at the base of the eye lashes. Stye can contain the same bacteria that causes staph infections, and can be quite painful. [kadrmaseyecare.com]

    This rapidly leads to resolution of the inflammation, and re-establishment of normal glandular function in the lids. [bopss.co.uk]

    Inflammation of a tarsal meibomian gland leads to a deep chalazion, whereas inflammation of a Zeis gland leads to a superficial chalazion. [emedicine.medscape.com]

  • Surgical Procedure

    Chalazion (meibomian cyst) removal is a surgical procedure to clean out the blocked meibomian duct causing the eye lid swelling or lump. [fairfield.org.uk]

    The goal is always to improve a patient’s condition but no guarantees or promises can be made for a successful outcome in any surgical procedure. [asoprs.org]

  • Chills

    Because internal hordeola are so rare, they are not usually suspected unless inflammation is severe or fever or chills are present. [merckmanuals.com]

    Inflammation may be severe, sometimes with fever or chills. Spontaneous rupture occasionally occurs, on the conjunctival side. Differential diagnosis Infections Internal hordeolum. External hordeolum. Orbital or preseptal cellulitis. [patient.info]

  • Ecchymosis

    (“black eye”) Blunt trauma to orbit resulting in disruption of blood vessels Ecchymosis increasing in size over 48 hours, then slowly improving Squamous cell carcinoma Neoplastic changes Painless erythematous flaky plaques, nodules, or ulcers Inflammatory [aafp.org]

  • Localized Pain

    Signs and symptoms include: lump on eyelid, localized swelling, localized pain/tenderness, redness, crusting of eyelid margins, droopy eyelid, blurred vision, tearing and/or mucous discharge, light sensitivity Hordeola can be differentiated from chalazia [pedclerk.bsd.uchicago.edu]

Skin

  • Dermatitis

    Seborrheic dermatitis. Lid injections. Symptoms Initially resembles a stye when the gland blocks, then becomes a painless firm lump in the eyelid. The lump may disappear after a few weeks or months. [rotoruaeyes.co.nz]

    Associated diseases[5] Blepharitis Acne rosacea Seborrhoeic dermatitis Management Chalazion Chalazia can resolve spontaneously. [patient.info]

    Predisposing factors for meibomian cyst include: chronic blepharitis rosacea seborrhoeic dermatitis pregnancy diabetes mellitus (2) A chalazion presents as a firm, painless, immobile, roundish lump in the tarsal plate which gradually enlarges (3). these [gpnotebook.co.uk]

    Several cutaneous disorders have been associated with an increased risk for meibomian cyst formation, including rosacea, seborrheic dermatitis, and blepharitis. [symptoma.com]

  • Eruptions

    […] develops near meibomian glands or glands of Zeis Probably due to obstruction and nonspecific inflammation (blepharitis), leading to discharge of sebaceous material into surrounding tissue and resulting intense granulomatous inflammatory reaction May erupt [pathologyoutlines.com]

    Spontaneous rupture is rare; however, when it does occur, it usually occurs on the conjunctival side of the eyelid and sometimes erupts through the skin side. Recurrence is common. [merckmanuals.com]

    […] or has not yet erupted. [medical-dictionary.thefreedictionary.com]

  • Acne Vulgaris

    Craig G Burkhart and Craig N Burkhart, Similar to acne vulgaris, bacteria may produce the biological glue that causes plugging of the meibomian gland leading to chalazions, Clinical & Experimental Ophthalmology, 36, 3, (295-295), (2008). [dx.doi.org]

    […] agminata Acne vulgaris tends to spare eyelids. [dermnetnz.org]

Eyes

  • Blepharitis

    Blepharitis and lid cysts are more common in fair skinned Scandinavian and Caucasian individuals, and can occur at any age. Patients cite numerous factors as contributing to blepharitis and cyst formation. [bopss.co.uk]

    If you suffer from chronic blepharitis, you are at risk for developing both styes and chalazia. [kadrmaseyecare.com]

    Causes of a Chalazion or Meibomian Cyst Blepharitis – chronic red inflamed lid margins. Acne Rosacea. Seborrheic dermatitis. Lid injections. Symptoms Initially resembles a stye when the gland blocks, then becomes a painless firm lump in the eyelid. [rotoruaeyes.co.nz]

    Associated diseases[5] Blepharitis Acne rosacea Seborrhoeic dermatitis Management Chalazion Chalazia can resolve spontaneously. [patient.info]

  • Blurred Vision

    If the chalazion persists causing blurred vision, then they can be removed surgically under local anaesthetic. For more information please visit the links below http://www.aao.org American Academy of Ophthalmology [rotoruaeyes.co.nz]

    A large chalazion may indent the cornea, resulting in slightly blurred vision. [patient.info]

    Blurred vision may be encountered with larger meibomian cysts, while pain is almost always absent. [symptoma.com]

    A larger chalazion may also cause blurred vision by distorting the shape of the eye. Occasionally, a chalazion can cause the entire eyelid to swell suddenly. Treatment It is important not to squeeze or try to "pop" a chalazion or stye. [wespecialeyes.com]

  • Lacrimation

    […] system and orbit Disorders of eyelid, lacrimal system and orbit Clinical Information A non-neoplastic cyst of the meibomian glands of the eyelid. [icd10data.com]

    Lacrimal sac neoplasia (consider this in swellings above the medial canthus). Investigations Recurrent or atypical chalazia need histology. [patient.info]

    Conditions Affecting the External Eye This article gives an External Eye Overview of problems concerning the lashes, the lids and the lacrimal system. See External Eye Overview - Lashes, Eyelids and Lacrimal System page [evidence.nhs.uk]

  • Foreign Body Sensation

    Consider a routine referral to the Eye Unit if[3]: The chalazion is causing visual or other problems (eg, foreign body sensation). [patient.info]

    The eye may water, become sensitive to bright light, and feel as though something is in it (foreign body sensation). Usually, only a small area of the eyelid is swollen, but sometimes the entire eyelid swells. [merckmanuals.com]

    Some patients complain of a foreign body sensation under the eyelids, and some have watery eyes. The eyelashes can also develop flakes that look like dandruff. All these problems can lead to blurry vision. [asoprs.org]

  • Photophobia

    There may be tearing, photophobia, and a foreign body sensation. Typically, a small yellowish pustule develops at the base of an eyelash, surrounded by hyperemia, induration, and diffuse edema. [merckmanuals.com]

    […] urgent GP appointment or go to A&E if: your swollen eyelid is red, hot, painful, tender or blistered your eyelid droops suddenly the pain is in your eye (not your eyelid) the white of your eye is very red, in part or all over you're sensitive to light (photophobia [nhs.uk]

Psychiatrical

  • Suggestibility

    The chalazion is persistent (see local criteria: some suggest after 4-5 weeks; others may wait until >6 months) and not responding to conservative treatment. You are considering a prophylactic course of antibiotics. [patient.info]

    It could be that the combination of partying and smoking is having a part to play in your problem, as your GP suggests, because tired eyes will be more prone to all of the above. [netdoctor.co.uk]

    However, we will follow up with suggested ways to find appropriate information related to your question. Medical disclaimer Not every question will receive a direct response from an ophthalmologist. [aao.org]

    If a chalazion comes back in the same place, your ophthalmologist may suggest a biopsy (where a tiny piece of tissue is surgically removed and studied) to rule out more serious problems. [wespecialeyes.com]

Neurologic

  • Confusion

    Both chalazia and styes are small bumps on our eyelids, and are sometimes confused with each other. Styes are caused by an inflammation or infection in the eyelash follicles or oil glands at the base of the eye lashes. [kadrmaseyecare.com]

    It is quite common for a chalazion to be confused with a stye, which also appears as a lump on the eyelid. There are some differences between the two, however. [belmarrahealth.com]

    Chalazion A sty is sometimes confused with a chalazion (see below), which is a cyst or a specific type of scarring due to chronic inflammation arising in the meibomian glands of the eyelid. [medicinenet.com]

    A chalazion is often confused with a stye (or hordeolum), which is an infection of an oil gland in the eyelid. [aoa.org]

Workup

With a properly conducted physical examination and a meticulously obtained patient history, the initial diagnosis of a meibomian cyst can be easily made. The typical appearance of a lump on the eyelid without the presence of pain (mainly seen when a stye develops) is a hallmark of this clinical entity. Some patients report ineffective use of topical antimicrobials [1], which points to a non-infectious type of inflammation. Although the physician can clearly visualize the lesion and make a solid diagnosis based on physical findings only [1], some authors recommend further evaluation of the lump through histopathological methods [2] [3] [6]. The primary reason is that several tumors, particularly sebaceous cell carcinoma (carrying a mortality rate of 20% in the absence of an early diagnosis and up to 50% when tumor spreading occurs) have an identical clinical presentation [2] [3] [5]. Disruption of the skin and ulceration are suggested as signs indicative of a malignancy instead of a meibomian cyst [1], but they may not always be present. The identification of a lipogranulomatous content and multinucleated giant cells with an abundant white blood cell infiltrate are main findings on microscopy of meibomian cysts [6]. Noninvasive meibography, designed to evaluate the morphology of the meibomian glands, is a potentially useful procedure to discriminate between a chalazion and a sebaceous cell carcinoma [5].

Treatment

This treatment is less invasive than I&D but because of the risk of vision loss, is not preferred treatment choice at the University of Iowa. [webeye.ophth.uiowa.edu]

Surgical removal: If a stye or chalazion does not respond to other treatments, your doctor may surgically drain it. This would be done on an outpatient basis in the office. Both styes and chalazia normally respond well to treatment. [kadrmaseyecare.com]

Prognosis Up to 50% of chalazia resolve (spontaneously or with conservative treatment) but it is not uncommon for them to recur[3, 7]. [patient.info]

A chalazion will often go away without treatment in a month or so. The first treatment is to place warm compresses over the eyelid for 10 to 15 minutes at least four times a day. [medlineplus.gov]

Treatment Blepharitis is a chronic condition for which there is no cure and requires longterm treatment to keep it under control. [murdocheye.com.au]

Prognosis

The prognosis of Chalazion is usually excellent with adequate treatment Please find comprehensive information on Chalazion regarding definition, distribution, risk factors, causes, signs & symptoms, diagnosis, complications, treatment, prevention, prognosis [dovemed.com]

What is the prognosis of a chalazion? In general, a chalazion does not affect sight. Rarely, the lump itself is large enough to distort the ocular surface and cause some temporary astigmatism with blurring of the vision. [medicinenet.com]

A chalazion is usually a self-limiting condition with excellent prognosis. However, the patient is instructed to follow regular lid hygiene measures and control of meibomitis. Prognosis Prognosis is excellent. Jerry A. Shields, Carol L. Shields. [emedicine.medscape.com]

Prognosis Up to 50% of chalazia resolve (spontaneously or with conservative treatment) but it is not uncommon for them to recur[3, 7]. [patient.info]

Etiology

However, there may be times when an associated infectious etiology is suspected. If an infection is considered, tetracyclines are the antibiotics of choice. [ncbi.nlm.nih.gov]

Chalazion Definition: Firm, nontender nodular lesion of the eyelid resulting from obstruction and subsequent chronic granulomatous inflammation of a Zeis or meibomian gland. http://dro.hs.columbia.edu/chalazion.htm Etiology: Normally, sebaceous meibomian [pedclerk.bsd.uchicago.edu]

Etiology Chalazia occur after gland blockage, which can be associated with the following: Poor lid hygiene (the precise causal role has not yet been established) Acne rosacea High blood lipid concentrations (possible risk from increased blockage of sebaceous [emedicine.medscape.com]

Epidemiology

Epidemiology[1, 4] Chalazia are the most common of all lid lumps. They can occur at any age. [patient.info]

Key points Description Benign granuloma of oil-producing gland of the eyelid Cause Blockage of gland duct by thick oil or keratin causes gland rupture and lid inflammation Epidemiology Common lid lesion associated with blepharitis at any age Clinical [pulsetoday.co.uk]

Meanwhile, recent epidemiological survey showed MGD is a major cause of dry eye. In the MGD clinic, we thoroughly examine both subjective symptoms and objective findings for accurate diagnosis. [ophthal.med.keio.ac.jp]

Epidemiology United States and international statistics Chalazia are common, but their exact incidence and prevalence in the United States are not known. Data about the worldwide prevalence or incidence of chalazia are also unavailable. [emedicine.medscape.com]

Pathophysiology

Pathophysiology Chalazia form when lipid breakdown products, possibly from bacterial enzymes or retained sebaceous secretions, leak into surrounding tissue and incite a granulomatous inflammatory response. [2]. [emedicine.medscape.com]

Prevention

In people with seborrhea of the lids and recurrent chalazia, warm compresses and careful cleansing of the lid margins can be helpful for prevention. [medicinenet.com]

How to prevent chalazion cysts The best way to prevent the development of chalazion cysts is to keep your eyelids clean and free of irritants. Wash your hands often to prevent dirt from being transferred to your eyelid when you rub your eyes. [belmarrahealth.com]

Prevention Cleansing the eye area every day can help prevent a chalazion from developing or recurring. Using eyelid scrubs or premoistened cleansing wipes to keep the oil glands from becoming blocked. [medicalnewstoday.com]

References

  1. Arbabi EM, Kelly RJ, Carrim ZI. Chalazion. BMJ. 2010;341:c4044.
  2. Ozdal PC, Codère F, Callejo S, Caissie AL, Burnier MN. Accuracy of the clinical diagnosis of chalazion. Eye (Lond). 2004;18(2):135-138.
  3. Al-Mujaini A, Sabt B, Al-Hadabi I. It is not chalazion. Oman J Ophthalmol. 2013;6(1):63-69.
  4. Gilchrist H, Lee G. Management of chalazia in general practice. Aust Fam Physician. 2009 May;38(5):311-314.
  5. Nemoto Y, Arita R, Mizota A, Sasajima Y. Differentiation between chalazion and sebaceous carcinoma by noninvasive meibography. Clin Ophthalmol. 2014;8:1869-1875.
  6. Ahuja S, Rao VA, Kumar P, Rajesh N, Srinivasan R. Sebaceoma of the Conjunctiva Presenting as a Chalazion. Indian J Dermatol. 2014;59(5):521-522.
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