inclusion cyst


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Related to inclusion cyst: dermoid cyst, sebaceous cyst

inclusion cyst

[in′klü·zhən ‚sist]
(medicine)
A cyst formed by the implantation of epithelial tissue into another structure.
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Peritoneal inclusion cysts are aggregates of variable sized, fluid-filled, mesothelial-lined cysts of the abdominopelvic cavity, usually found in reproductive age women with a history of abdominal or pelvic surgeries or inflammation.
Post genital mutilation giant clitoral epidermoid inclusion cyst in Benin City, Nigeria.
Peritoneal inclusion cyst. (A) Longitudinal transvaginal pelvic ultrasound of the left adnexa demonstrating an anechoic cystic lesion that conforms passively to the shape of the peritoneal cavity/pelvic sidewall (long arrow) with a thick septation (arrowhead).
But their roles in the disease pathogenesis are still unclear.3,9 In immunohistochemistry (IHC) low molecular weight keratin (LMWK), epithelial membrane antigen (EMA), carcinoembryonic antigen (CEA), gross cystic disease fluid protein 15 (GCDFP-15), CD15 (Leu MI) are positive, also myoepithelial cells in S100 and smooth muscle actin (SMA) are positive.4,10 Clinical differential diagnosis includes Bartholin's duct cyst or abscess, epidermal inclusion cyst, mucous cyst, fibroma, lipoma, leiomyoma, endometriosis, amelanotic melanoma and squamous cell carcinoma.1,3,4,11
[16] reported a misdiagnosis of infected epithelial inclusion cyst and proposed that presumed subconjunctival abscess after strabismus surgery could all be infected epithelial inclusion cyst.
Fromm, "Epidermal Inclusion Cyst: treatment and management," 2017, http://emedicine.medscape.com/article/1061582treatment.
The incident with the fridge may have resulted in rupture of the ensuing epidermal inclusion cyst, propagating its extension along the length of the finger.
An epidermoid inclusion cyst (also known as a sebaceous cyst) is a common cutaneous lesion and represents proliferation of squamous epithelium within a confined space in the dermis or subdermis4.
In contrast there is a reported case of Tutoplast-related graft contraction and inclusion cyst in a 40-year-old male 18 months after the correction of penile curvature with Tutoplast.16 In addition only one bovine pericardium-related foreign body reaction was reported in a child after chordee repair.17 To our knowledge there is no other rejection or foreign body reaction related to the Tutoplast in penile surgery even in long-term studies.
Provisional clinical diagnosis of parasitic lesion was made in only 2 (4.9%) cases, while the majority were clinically misdiagnosed as lipoma, neurofibroma, lymphadenitis, cold abscess, epidermal inclusion cyst, fibroadenoma, inflammatory lesion, and soft-tissue tumor.
The presence of a granular layer easily excludes the possibility of a trichilemmal/pilar cyst in favor of an epidermoid cyst (so-called epidermal inclusion cyst) or verrucous cyst.