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	~~'''Cutaneous Columnar Cyst'''~~

	~~[[File:~~Cutaneous ~~columnar cyst.jpg~~\|~~thumb~~\|~~right~~\|~~250px~~\|~~Micrograph~~ of ~~a cutaneous columnar cyst, H&E stain.]]~~		{{Infobox medical condition
			\| name = Cutaneous Columnar Cyst
			\| image = <!-- Image removed -->
			\| caption = <!-- Caption removed -->
			\| field = Dermatology
			\| synonyms = Columnar cyst of the skin
			}}

	A '''~~Cutaneous~~ columnar cyst''' is a ~~rare~~ type of [[skin]] [[cyst]] ~~that is characterized by its unique histological features. It was first described in the medical literature in 2009 by Kazakov, Michal,~~ and ~~Kacerovska~~.		A '''cutaneous columnar cyst''' is a type of [[skin cyst]] characterized by its columnar epithelial lining. These cysts are a rare form of [[epidermoid cyst]]s and are typically benign.

	==~~Clinical~~ Presentation==		==Presentation==
			Cutaneous columnar cysts usually present as small, firm nodules on the skin. They are often found on the [[scalp]], [[face]], or [[neck]], but can occur on any part of the body. The cysts are generally asymptomatic, but they can become inflamed or infected, leading to [[pain]] and [[redness]].

	~~Cutaneous~~ columnar cysts ~~typically present as solitary, asymptomatic, slow-growing nodules~~. They are ~~most commonly found on~~ the ~~face, particularly on~~ the ~~lower eyelid. However~~, ~~they can also occur on~~ other ~~parts~~ of ~~the body, such as the neck and trunk~~.		==Pathophysiology==
			The pathogenesis of cutaneous columnar cysts is not completely understood. They are thought to arise from the [[infundibulum]] of the [[hair follicle]], similar to other types of epidermoid cysts. The columnar epithelium lining is what distinguishes them from other cysts.
	~~==Histopathology==~~

	~~Histologically, cutaneous columnar cysts are characterized by a cystic lesion lined by a single layer of~~ columnar epithelium~~. The epithelial cells have a pale eosinophilic cytoplasm and basally located nuclei. The cyst wall~~ is ~~composed of fibrous tissue and may contain smooth muscle fibers~~.

	==Diagnosis==		==Diagnosis==
			Diagnosis of a cutaneous columnar cyst is typically made through clinical examination and [[histopathology]]. A biopsy of the cyst will reveal the characteristic columnar epithelial lining. [[Dermatologists]] may use [[dermoscopy]] to aid in the diagnosis.
	~~The diagnosis~~ of a cutaneous columnar cyst is ~~primarily based on its histopathological features~~. ~~Other skin cysts, such as~~ [[~~epidermoid cyst~~]]~~s and~~ [[~~trichilemmal cyst~~]]~~s, may need~~ to ~~be ruled out~~.

	==Treatment==		==Treatment==
			Treatment is not always necessary for cutaneous columnar cysts unless they become symptomatic. Options include:
			* [[Surgical excision]]: Complete removal of the cyst is the most definitive treatment.
			* [[Incision and drainage]]: This may be performed if the cyst is infected.
			* [[Topical antibiotics]]: Used if there is secondary infection.

	The ~~treatment of choice~~ for cutaneous columnar cysts is ~~surgical excision~~. ~~This is usually curative,~~ and ~~recurrence~~ is ~~rare~~.		==Prognosis==
			The prognosis for cutaneous columnar cysts is excellent. They are benign and do not have malignant potential. Recurrence is uncommon after complete surgical excision.
	~~==Epidemiology==~~

	Cutaneous columnar cysts are rare, with only a few cases reported in the medical literature. They can occur in individuals of any age, but are most commonly seen in adults. There is no known gender or racial predilection.		==See also==
			* [[Epidermoid cyst]]
			* [[Pilar cyst]]
			* [[Sebaceous cyst]]

	==References==		==References==
			{{Reflist}}

	~~<references~~/>		==External links==
			* [https://www.wikimd.com/wiki/Cutaneous_columnar_cyst Cutaneous Columnar Cyst on WikiMD]

			[[Category:Dermatology]]
	[[Category:Skin conditions]]		[[Category:Skin conditions]]
	[[Category:Cysts]]		[[Category:Cysts]]
	~~[[Category:Dermatology]]~~
	~~[[Category:Pathology]]~~

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'''Cutaneous Columnar Cyst'''

[[File:Cutaneous columnar cyst.jpg|thumb|right|250px|Micrograph of a cutaneous columnar cyst, H&E stain.]]

A '''Cutaneous columnar cyst''' is a rare type of [[skin]] [[cyst]] that is characterized by its unique histological features. It was first described in the medical literature in 2009 by Kazakov, Michal, and Kacerovska.

==Clinical Presentation==

Cutaneous columnar cysts typically present as solitary, asymptomatic, slow-growing nodules. They are most commonly found on the face, particularly on the lower eyelid. However, they can also occur on other parts of the body, such as the neck and trunk.

==Histopathology==

Histologically, cutaneous columnar cysts are characterized by a cystic lesion lined by a single layer of columnar epithelium. The epithelial cells have a pale eosinophilic cytoplasm and basally located nuclei. The cyst wall is composed of fibrous tissue and may contain smooth muscle fibers.

==Diagnosis==

The diagnosis of a cutaneous columnar cyst is primarily based on its histopathological features. Other skin cysts, such as [[epidermoid cyst]]s and [[trichilemmal cyst]]s, may need to be ruled out.

==Treatment==

The treatment of choice for cutaneous columnar cysts is surgical excision. This is usually curative, and recurrence is rare.

==Epidemiology==

Cutaneous columnar cysts are rare, with only a few cases reported in the medical literature. They can occur in individuals of any age, but are most commonly seen in adults. There is no known gender or racial predilection.

==References==

<references/>

[[Category:Skin conditions]]
[[Category:Cysts]]
[[Category:Dermatology]]
[[Category:Pathology]]

Cutaneous columnar cyst - Revision history

Prab: CSV import

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