Cyst

cystscysticencystencystedfollicular cystscystic diseasecystic lesionsdevelopmental cystfibrous cystFollicular cyst
A cyst is a closed sac, having a distinct membrane and division compared with the nearby tissue.wikipedia
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Pseudocyst

pseudocyst s,pseudocysts
Pseudocysts are similar to cysts (having a sac filled with fluid), but lack an epithelial lining.
Pseudocysts are like cysts, but lack epithelial or endothelial cells.

Breast cyst

cysts
Breast cyst
A breast cyst is a fluid-filled sac within the breast.

Acne

acne vulgariscystic acneblemishes
Acne cyst – Pseudocysts associated with cystic acne - an inflammatory nodule with or without an associated epidermoid inclusion cyst
Large nodules were previously referred to as cysts, and the term nodulocystic has been used in the medical literature to describe severe cases of inflammatory acne.

Aneurysmal bone cyst

bone cysts, aneurysmal
The aneurysmal bone cyst is a neoplastic cyst, more specifically, an aggressive lesion with radiographic cystic appearance.
The term is a misnomer, as the lesion is neither an aneurysm nor a cyst.

Chalazion

Chalazion cystmeibomian gland
Chalazion cyst (eyelid)
Chalazion is a cyst in the eyelid due to a blocked oil gland.

Choroid plexus cyst

choroid plexus cysts
Choroid plexus cyst (in the brain)
Choroid plexus cysts (CPCs) are cysts that occur within choroid plexus of the brain.

Dermoid cyst

dermoidbenign mature cystic teratomaDermoid cysts
Dermoid cyst (ovaries, testes, many other locations from head to tailbone)
A dermoid cyst is a teratoma of a cystic nature that contains an array of developmentally mature, solid tissues.

Calcifying odontogenic cyst

odontogenic cyst, calcifyingCalcifying cystic odontogenic tumorCalcifying odotogenic cyst
Calcifying odontogenic cyst
The calcifying odotogenic cyst or the Gorlin cyst, now known in the WHO Classification of Tumours as the calcifying cystic odontogenic tumor, is a benign odontogenic tumor of cystic type most likely to affect the anterior areas of the jaws.

Epidermoid cyst

epidermoid cystsepidermal cystepidermoid
Epidermoid cyst (skin)
An epidermoid cyst or epidermal inclusion cyst is a benign cyst usually found on the skin.

Dentigerous cyst

cystic changes
Dentigerous cyst (associated with the crowns of non-erupted teeth)
A dentigerous cyst or follicular cyst is an odontogenic cyst – thought to be of developmental origin – associated with the crown of an unerupted (or partially erupted) tooth.

Glandular odontogenic cyst

Glandular odontogenic cyst
The glandular odontogenic cyst is a rare odontogenic cyst.

Epididymal cyst

Epididymal cyst (found in the vessels attached to the testes)
An epididymal cyst is a cyst of the epididymis containing serous liquid.

Polycystic liver disease

liver diseasepolycystic liver
Polycystic liver disease
Polycystic liver disease (PLD) usually describes the presence of multiple cysts scattered throughout normal liver tissue.

Odontogenic cyst

odontogenic cystscystcysts
Odontogenic cyst (teeth)
Intra-bony cysts are most common in the jaws, because the mandible and maxilla are the only bones with epithelial components.

Oral mucocele

Mucocelemucous retention cystmucous cyst
Mucous cyst of the oral mucosa
Although the term cyst is often used to refer to these lesions, mucoceles are not strictly speaking true cysts because there is no epithelial lining.

Paraovarian cyst

paraovarian
Paratubal cyst (fallopian tube)
Paratubal cysts (PTCs) (also known as paraovarian cysts or hydatid of Morgagni) are epithelium-lined fluid-filled cysts in the adnexa adjacent to the fallopian tube and ovary.

Paradental cyst

Paradental cyst
Paradental cysts constitute a family of inflammatory odontogenic cyst, that typically appear in relation to crown or root of partially erupted molar tooth.

Pineal gland cyst

Pineal cysts
Pineal gland cyst (in the pineal gland in the brain)
A pineal gland cyst is a usually benign (non-malignant) cyst in the pineal gland, a small endocrine gland in the brain.

Sebaceous cyst

epithelial cystsebaceous cystswen
Sebaceous cyst – sac below skin
Both of the above types of cyst contain keratin, not sebum, and neither originates from sebaceous glands.

Spermatocele

Epididymal Cysts
Spermatocele (testicle)
Spermatocele is a retention cyst of a tubule of the rete testis or the head of the epididymis distended with barely watery fluid that contains spermatozoa.

Thyroglossal cyst

Thyroglossal duct cystlump on his neckthyroglossal cysts
Thyroglossal cyst
A thyroglossal cyst is a fibrous cyst that forms from a persistent thyroglossal duct.

Trichilemmal cyst

pilar cystwen
Pilar cyst (cyst of the scalp)
A trichilemmal cyst, also known as a wen, pilar cyst or isthmus-catagen cyst, is a common cyst that forms from a hair follicle.

Vaginal cysts

vaginal cyst
Vaginal cyst
Vaginal cysts are uncommon benign cysts that develop in the vaginal wall.

Polycystic ovary syndrome

PCOSpolycystic ovariespolycystic ovarian syndrome
Polycystic ovary syndrome
The syndrome acquired its most widely used name due to the common sign on ultrasound examination of multiple (poly) ovarian cysts.

Keratocystic odontogenic tumour

odontogenic keratocystKeratocystkeratocystic odontogenic tumor
Keratocyst (in the jaws, these may appear solitarily or associated with the Gorlin-Goltz or Nevoid basal cell carcinoma syndrome; the latest World Health Organization classification considers Keratocysts as tumors rather than cysts)
An odontogenic keratocyst is a rare and benign but locally aggressive developmental cyst.