Bartholin Cyst

Slide 1 · Bartholin Cyst

Obstructive cysts, adenitis and suppurative complications

Dr Abu Suraih Sakhri

MBBS, MD (Pathology)

www.abusuraihsakhri.com

Slide 2 · Learning objectives

Explain how inflammation-associated duct obstruction produces a Bartholin duct cyst.

Distinguish a duct cyst from glandular adenitis and a localized abscess.

Identify the reported epithelial linings and relevant morphologic patterns.

Relate symptoms and the two textbook-listed procedures to pathology.

Slide 3 · Three distinct pathological states

Duct cyst

Duct cyst: An obstructed drainage pathway.

Adenitis

Adenitis: Acute inflammation involving the gland.

Abscess

Abscess: A localized collection of pus.

Slide 4 · Bartholin cyst belongs to vulvar pathology

Bartholin duct cyst

Dermatoses

Other skin cysts

Vulvar tumors

Original schematic — not clinical imagery

Bartholin cyst within disorders of the vulva.

Other vulvar entities include inflammatory dermatoses, skin cysts and neoplasms.

A local cystic lesion should not be equated with every vulvar abnormality.

Slide 5 · The vulva is susceptible to superficial infection

Secretions + moisture

Local susceptibility

Superficial infection

Persistent exposure to moisture and secretions favors superficial infection.

This context helps explain why inflammation appears among vulvar disorders.

It does not establish a unique organism for an individual lesion.

Slide 6 · Local cysts and other vulvar diseases coexist

Focal cystic process

A duct obstruction produces a defined cystic lesion.

Its clinical effect is related to enlargement and local discomfort.

Other vulvar processes

Eczema, psoriasis and dermatitis may affect vulvar skin.

Epidermal inclusion cysts and skin tumors also occur in the vulva.

Slide 7 · The initiating event is duct obstruction

Inflammation

Duct obstruction

Duct cyst

Bartholin duct cysts to an obstructed duct.

An inflammatory process is the stated cause of the obstruction.

The result is a cystic dilatation of the duct.

Slide 8 · A patent duct is not a duct cyst

Patent lumen

Schematic — gland and duct; Not a specimen

An open duct permits communication along its lumen.

The comparison schematic isolates lumen patency as the defining variable.

It is conceptual anatomy, not a measured anatomical reconstruction.

Slide 9 · An obstructed duct creates cystic expansion

Obstruction

Schematic — gland and duct; Not a specimen

Loss of luminal patency is central to cyst development.

The enlarged compartment represents cyst formation on the gland side of the obstruction.

The figure shows the mechanism conceptually, not a clinical specimen.

Slide 10 · Inflammation links cause and morphology

Inflammatory process

Blocked duct

Cyst enlargement

Local symptoms

Inflammation is presented as the process obstructing the duct.

Obstruction is the direct explanation for cyst formation.

Pain or discomfort emerges when the cyst enlarges.

Slide 11 · Ductal obstruction is not a neoplasm

Obstructive cyst

Mechanism: Blocked duct due to inflammation.

Principal lesion: A cyst lined by epithelium.

Vulvar tumor

A different process: A tissue neoplasm.

The vulva can develop benign and malignant tumors.

Slide 12 · Gland infection is termed adenitis

Inflamed gland

Inflammatory cells (schematic)

Schematic — gland and duct; Not a specimen

Bartholin gland infection produces acute glandular inflammation.

The source calls this inflammatory state adenitis.

The term describes inflammation, not necessarily a formed cyst.

Slide 13 · Adenitis may be complicated by abscess

Bartholin gland infection

Acute adenitis

Possible abscess

Abscess formation is a possible consequence of gland infection.

“May result” indicates possibility, not inevitable progression.

Cyst formation and abscess formation describe different tissue changes.

Slide 14 · Cyst, adenitis and abscess are not synonyms

Duct obstruction

Defines the cyst mechanism.

Look for a cystic space and epithelial lining.

Suppurative infection

Adenitis indicates inflamed gland.

Abscess means localized pus within tissue or a space.

Slide 15 · The pathways can intersect

Duct obstruction

Gland infection

Duct cyst

Adenitis ± abscess

Original schematic — not clinical imagery

A Bartholin cyst can be considered by its obstructive mechanism.

An infected gland can show acute inflammation and abscess formation.

The textbook also refers to Bartholin cyst abscesses in its infection chapter.

Slide 16 · A local gland infection is not synonymous with PID

Localized Bartholin disease

Focus: Gland, duct or adjacent cyst.

The teaching unit emphasizes local cyst/abscess pathology.

Pelvic inflammatory disease

An ascending infection involving upper female genital organs.

The adjacent section discusses salpingitis and tubal sequelae.

Slide 17 · Gonococcal infection may begin in the gland

Possible initial site

Bartholin gland infection

Potential ascending spread

The PID section identifies the Bartholin gland as a possible initial site.

It also identifies endocervical mucosa and other glands as initial sites.

Do not infer that every Bartholin abscess is gonococcal.

Slide 18 · Suppurative inflammation forms pus

Neutrophils

Pus contains abundant neutrophils.

Cell debris

Liquefied necrotic cell debris contributes to the exudate.

Edema fluid

Edema fluid forms another component.

Slide 19 · An abscess is a localized collection of pus

Abscess zones — schematic, not histology

A confined purulent collection is the defining structural change.

Abscess formation reflects suppuration within tissue or a closed space.

This is more specific than uncomplicated inflammation.

Slide 20 · The abscess center undergoes liquefaction

Abscess zones — schematic, not histology

The center contains necrotic leukocytes and tissue cells.

Liquefaction gives the abscess its characteristic pus-filled center.

An epithelial cyst lining is a separate morphologic feature.

Slide 21 · Preserved neutrophils surround the necrotic focus

Abscess zones — schematic, not histology

The zone outside the central liquefied focus contains neutrophils.

This pattern reflects ongoing acute inflammation at the margin.

The schematic illustrates zones; It does not reproduce histology.

Slide 22 · Peripheral changes indicate inflammation and repair

Abscess zones — schematic, not histology

Outer tissue may exhibit vasodilation and reactive proliferation.

Fibroblastic proliferation can occur around the collection.

The marginal tissue context helps identify a mature abscess.

Slide 23 · Some abscesses become walled off

Purulent focus

Peripheral repair

Possible walling-off

A localized suppurative focus can develop a surrounding wall.

Repair processes may later replace the abscess with connective tissue.

These are general abscess outcomes, not recurrence predictions.

Slide 24 · Abscess pathogens often originate in nearby microbiota

Adjacent microbiota

Mixed infection

Localized abscess

The infectious-disease chapter links abscess organisms to local normal microbiota.

Genital-tract abscesses may involve mixed organisms.

This principle provides context for Bartholin cyst abscesses.

Slide 25 · Female genital abscesses may be polymicrobial

Anaerobic organisms

Anaerobic gram-negative bacilli are named.

Prevotella spp. Are an example.

Facultative organisms

The infectious-disease chapter describes mixed flora.

E. Coli and S. Agalactiae are examples listed.

Slide 26 · Prevotella is one named anaerobic contributor

Robbins specifically names Prevotella spp. In female genital-tract abscesses.

It is presented as an example among anaerobic gram-negative bacilli.

This is not a claim that it causes every Bartholin abscess.

Etiology at an individual site cannot be read from cyst size or lining.

Slide 27 · E. Coli and S. Agalactiae may be mixed in

Anaerobic component

Prevotella spp.

E. Coli

S. Agalactiae

Original schematic — not clinical imagery

Escherichia coli and Streptococcus agalactiae as possible co-isolates.

Their mention illustrates the mixed-organism principle.

The source does not give organism frequencies for Bartholin abscesses.

Slide 28 · Morphology and microbiology answer different questions

Morphological question

Is there a cyst lined by epithelium?

Is there adenitis or a collection of pus?

Etiologic question

Which organisms contributed to infection?

Morphology alone does not identify a species with certainty.

Slide 29 · Bartholin duct cysts occur across age groups

Bartholin duct cysts as occurring at all ages.

No age-specific numerical distribution is supplied in the source.

The presence of a cyst is therefore not restricted to a single age stratum.

Slide 30 · “Relatively common” is qualitative epidemiology

The textbook calls Bartholin duct cysts relatively common.

It does not provide incidence or prevalence in the relevant section.

A numerical frequency should not be inferred from that phrase.

Slide 31 · A cyst may enlarge to several centimeters

3–5 cm

Maximum diameter described

Original schematic — not clinical imagery

The stated size range extends up to approximately 3–5 cm in diameter.

Such enlargement can become clinically noticeable.

The figure represents relative enlargement only; Not a scale drawing.

Slide 32 · Enlargement can produce pain and discomfort

Cyst enlargement

Local tissue effect

Pain / discomfort

Pain and local discomfort are consequences described for enlarged lesions.

The clinical impact is therefore tied to local structural expansion.

Pain alone cannot classify the lesion as an abscess.

Slide 33 · Clinical descriptors do not replace morphology

What symptoms tell us

The lesion may cause localized discomfort or pain.

Symptoms signal clinical effect.

What morphology tells us

A lining identifies the duct cystic space.

Purulent inflammation identifies abscess formation.

Slide 34 · Duct cysts have an epithelial lining

Cyst lumen

Epithelial lining (schematic)

Schematic only — not a photomicrograph

The duct cyst lining is commonly transitional or squamous epithelium.

This cellular boundary distinguishes the cyst compartment from surrounding stroma.

The drawing is a simplified epithelial pattern, not microphotography.

Slide 35 · Transitional epithelium is a reported lining

Cyst lumen

Epithelial lining (schematic)

Schematic only — not a photomicrograph

Transitional epithelium among typical duct cyst linings.

Identification of epithelial type is a microscopic descriptor.

Its presence does not establish a microbial cause.

Slide 36 · Squamous epithelium is also a reported lining

Cyst lumen

Epithelial lining (schematic)

Schematic only — not a photomicrograph

A squamous lining is another common microscopic pattern.

The finding is consistent with the epithelium described for these cysts.

Microscopic recognition and clinical symptoms provide complementary information.

Slide 37 · Both epithelial patterns are permitted

Transitional lining

One epithelial type.

A valid lining of a Bartholin duct cyst.

Squamous lining

A second epithelial type.

Its presence does not by itself imply a neoplasm.

Slide 38 · Cyst lining and abscess content occupy different compartments

Epithelial-lined cyst

Localized purulent focus

Different diagnostic compartments

Original schematic — not clinical imagery

Cyst: Epithelial lining bounds the cystic cavity.

Abscess: Pus accumulates in a localized tissue space.

The lesion can be interpreted by compartment and material, not label alone.

Slide 39 · The inflammatory reaction has recognizable tissue elements

Vessels

Vascular dilation accompanies acute inflammation.

Leukocytes

Leukocytes accumulate outside vessels.

Edema

Extravascular fluid contributes to swelling.

Slide 40 · A cystic space is not sufficient to prove an abscess

Cyst morphology

Epithelial lining around a duct-related cavity.

Its presence follows luminal obstruction.

Abscess morphology

A localized pus-filled compartment.

Neutrophils and liquefied debris are key components.

Slide 41 · An epidermal inclusion cyst is a separate vulvar cyst

Bartholin duct cyst

A ductal lesion related to inflammatory obstruction.

Usually transitional or squamous lining.

Epidermal inclusion cyst

One of the common skin cyst types that may occur on the vulva.

The Bartholin subsection does not supply its detailed histology.

Slide 42 · Dermatoses form another differential category

Psoriasis

Psoriasis may involve the vulvar skin.

Eczema

Eczema is another inflammatory cutaneous process.

Dermatitis

Allergic dermatitis can occur in the same region.

Slide 43 · Leukoplakia denotes a surface plaque

Duct cyst concept

A cystic duct-associated lesion.

Clinically important when enlarged or uncomfortable.

Leukoplakia concept

Opaque, white, plaque-like epithelial thickening.

The term describes an appearance, not one diagnosis.

Slide 44 · Vulvar neoplasia is a different diagnostic category

Squamous cell

Squamous cell carcinoma can occur on the vulva.

Basal cell

Basal cell carcinoma is also listed among vulvar skin tumors.

Melanoma

Melanoma is another possible vulvar skin tumor.

Slide 45 · A vulvar lesion should be classified by its process

Obstructive cyst

Inflammation / abscess

Other epithelial lesions / tumors

Original schematic — not clinical imagery

Obstructive: A duct-related cystic process.

Inflammatory: Adenitis or a purulent abscess.

Epithelial / neoplastic: Cutaneous plaques or tumors in the wider differential.

Slide 46 · Use mechanism, lining and inflammatory pattern together

Obstructive mechanism

Lining morphology

Suppuration status

Identify whether a duct obstruction is implicated.

Evaluate whether a lining is present and which type.

Identify any acute suppuration or localized pus collection.

Slide 47 · Two surgical approaches

Excision

The Bartholin duct cyst can be removed surgically.

The lesion itself is the target of removal.

Marsupialization

The cyst is opened permanently.

The opening is intended to remain patent.

Slide 48 · Excision removes the cyst

Removal of cystic lesion

Original schematic — not clinical imagery

Excision is explicitly listed as a management option.

The approach removes the cystic lesion rather than maintaining it as an open cavity.

The cited paragraph does not provide indications or recurrence rates.

Slide 49 · Marsupialization creates a lasting opening

Permanent opening

Schematic — gland and duct; Not a specimen

Marsupialization as opening the cyst permanently.

The key pathological target is persistent obstruction of the drainage passage.

The figure illustrates the principle, not surgical technique.

Slide 50 · Both options address the pathological cyst

Obstructed cyst

Excision OR marsupialization

Cyst addressed

A cyst forms because the duct becomes obstructed.

The textbook offers excision or permanent opening.

No comparative effectiveness estimates are supplied.

Slide 51 · Treatment statements have important boundaries

The topic paragraph does not provide a full clinical treatment algorithm.

No antibiotic regimen, biopsy threshold or recurrence rate is specified.

Do not manufacture management criteria from a short pathology description.

The purpose here is to explain the pathology underlying the options named.

Slide 52 · Case 1 — enlarged duct-associated lesion

A patient has a Bartholin duct-associated cystic lesion producing discomfort.

The specimen contains a cystic cavity with squamous epithelial lining.

Question: Which mechanism best explains the lesion?

Discussion follows on the next slide

Slide 53 · Case 1 — obstruction explains the lesion

Inflammatory obstruction

Squamous-lined cyst

Local discomfort

A squamous lining is consistent with a Bartholin duct cyst.

An enlarged cyst can account for local discomfort.

The source mechanism is inflammation-associated duct obstruction.

Slide 54 · Case 2 — acutely inflamed gland

A Bartholin gland becomes infected and acutely inflamed.

A localized collection of neutrophils and liquefied debris develops.

Question: What complication does this morphology establish?

Discussion follows on the next slide

Slide 55 · Case 2 — localized pus establishes an abscess

Abscess zones — schematic, not histology

Infection can produce Bartholin adenitis.

The localized pus collection establishes the abscess component.

The underlying cystic history cannot be inferred from pus alone.

Slide 56 · Case 3 — a different vulvar lesion

A vulvar lesion is described as an opaque white surface plaque.

No cystic cavity has been identified.

Question: Is “Bartholin duct cyst” the best description of this pattern?

Discussion follows on the next slide

Slide 57 · Case 3 — surface plaque differs from duct cyst

Leukoplakia

White, plaque-like epithelial thickening.

A descriptor with multiple possible causes.

Bartholin cyst

A duct-associated cyst from obstruction.

Usually a squamous- or transitional-lined cavity.

Slide 58 · Integrated diagnostic exercise

A lesion contains an epithelial-lined cavity and a separate focus of pus.

A mixed anaerobic/facultative bacterial infection is possible.

Question: Which findings support the cyst, abscess and infection interpretations?

Discussion follows on the next slide

Slide 59 · Integrated answer — do not collapse the categories

Cyst

Epithelial lining supports a duct cystic space.

Abscess

Localized neutrophil-rich pus supports abscess formation.

Etiology

Organisms are possible etiologies, not derivable from lining type.

Slide 60 · Pathology synthesis

Inflammatory duct obstruction

Epithelial-lined duct cyst

Infection → adenitis / abscess

Original schematic — not clinical imagery

The core cyst mechanism is inflammation-induced duct obstruction.

Infection can separately produce acute adenitis and abscess.

Epithelial lining, suppuration and symptoms are complementary descriptors.

Slide 61 · Selected reference sources

Robbins, Cotran & Kumar. Pathologic Basis of Disease. 11th ed. (2026).

Primary sections: Bartholin Cyst and Vulva.

Adjacent section: Pelvic Inflammatory Disease.

General pathology: Purulent (Suppurative) Inflammation and Abscess.

Infectious-disease context: Abscesses.