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	~~'''~~Small-cell melanoma''' is a rare subtype of [[melanoma]], a type of [[skin cancer]] that originates from the pigment-producing cells known as [[melanocytes]]. This subtype is characterized by small, round cells that are similar in appearance to those seen in [[small cell lung cancer]].		{{DISPLAYTITLE:Small-cell melanoma}}

	==~~Epidemiology~~==		== Small-cell melanoma ==
	~~Small~~-~~cell melanoma is a rare form of melanoma, accounting for less than 1% of all melanoma cases~~. ~~It can occur in individuals of any age, but is most commonly diagnosed in older adults. The incidence of small~~-cell melanoma ~~is similar in both men and women.~~		[[File:Skin_Tumors-P6251259.jpg\|thumb\|right\|Small-cell melanoma on the skin]]

	~~==Pathogenesis==~~		'''Small-cell melanoma''' is a rare and aggressive form of [[melanoma]], a type of [[skin cancer]] that originates in the [[melanocytes]], the cells responsible for producing [[melanin]], the pigment that gives skin its color. This variant of melanoma is characterized by the presence of small, round, and densely packed tumor cells.
	~~The exact cause of small~~-cell melanoma is ~~unknown. However, like other forms~~ of melanoma, ~~it is believed to be related to DNA damage~~ in melanocytes, ~~often due to exposure to ultraviolet (UV) radiation from~~ the ~~sun or tanning beds~~. ~~Certain genetic mutations may also play a role in~~ the ~~development~~ of ~~this subtype~~.

	==~~Clinical Features~~==		== Pathophysiology ==
	Small-cell melanoma ~~typically presents as a~~ small, ~~dark, irregularly shaped lesion on the skin~~. ~~It may~~ be ~~flat or slightly raised~~, ~~and can occur anywhere on the body~~. ~~However, it~~ is ~~most commonly found on areas of the skin that are frequently exposed~~ to the ~~sun~~, such as ~~the face~~, ~~neck~~, and ~~arms~~.		Small-cell melanoma is distinguished by its unique histological appearance. The tumor cells are small, with scant cytoplasm and hyperchromatic nuclei. This form of melanoma can be challenging to diagnose due to its resemblance to other small-cell neoplasms, such as [[small-cell lung cancer]]. Immunohistochemical staining is often required to confirm the diagnosis, with markers such as [[S-100 protein]], [[HMB-45]], and [[Melan-A]] being positive in melanoma cells.

	==~~Diagnosis~~==		== Clinical Presentation ==
	~~The diagnosis of~~ small-cell melanoma ~~is typically made based~~ on a ~~combination~~ of ~~clinical examination~~, [[~~dermoscopy~~]], and ~~skin biopsy. The biopsy specimen is examined under a microscope to confirm the presence of small, round melanoma cells~~.		Patients with small-cell melanoma may present with a variety of symptoms depending on the location and stage of the tumor. Commonly, it appears as a new or changing pigmented lesion on the skin. Due to its aggressive nature, small-cell melanoma can metastasize rapidly to other parts of the body, including the [[lymph nodes]], [[lungs]], [[liver]], and [[brain]].

	==~~Treatment~~==		== Diagnosis ==
	The ~~primary treatment for~~ small-cell melanoma ~~is surgical removal~~ of the ~~tumor~~. ~~In some cases, additional treatments such as [[chemotherapy]], [[radiation therapy]], or [[immunotherapy]] may be recommended, particularly if~~ the ~~cancer has spread~~ to other ~~parts of the body~~.		The diagnosis of small-cell melanoma involves a combination of clinical examination, dermoscopy, and histopathological analysis. A biopsy of the suspicious lesion is essential for definitive diagnosis. Pathologists look for the characteristic small-cell morphology and use immunohistochemical stains to differentiate it from other small-cell malignancies.

	==~~Prognosis~~==		== Treatment ==
	~~The prognosis~~ for small-cell melanoma ~~is generally poorer than~~ for other types of melanoma, ~~due to its aggressive nature~~ and ~~tendency to spread to other parts~~ of the ~~body~~. ~~However, early~~ detection and treatment ~~can significantly improve survival rates~~.		Treatment options for small-cell melanoma are similar to those for other types of melanoma and may include surgical excision, [[immunotherapy]], [[targeted therapy]], and [[chemotherapy]]. The choice of treatment depends on the stage of the disease and the overall health of the patient. Early detection and treatment are crucial for improving the prognosis.

	==~~See Also~~==		== Prognosis ==
			The prognosis for small-cell melanoma is generally poor due to its aggressive nature and tendency to metastasize early. The survival rate is lower compared to other forms of melanoma, emphasizing the importance of early detection and intervention.

			== Related pages ==
	* [[Melanoma]]		* [[Melanoma]]
	* [[Skin cancer]]		* [[Skin cancer]]
	* [[~~Small cell lung cancer~~]]		* [[Immunotherapy]]
			* [[Histopathology]]

			[[Category:Melanoma]]
	[[Category:Skin cancer]]		[[Category:Skin cancer]]
	~~[[Category:Melanoma]]~~
	~~[[Category:Oncology]]~~
	~~{{skin-cancer-stub}}~~
	~~{{medicine-stub}}~~

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2024-02-29T20:34:25Z

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'''Small-cell melanoma''' is a rare subtype of [[melanoma]], a type of [[skin cancer]] that originates from the pigment-producing cells known as [[melanocytes]]. This subtype is characterized by small, round cells that are similar in appearance to those seen in [[small cell lung cancer]].

==Epidemiology==
Small-cell melanoma is a rare form of melanoma, accounting for less than 1% of all melanoma cases. It can occur in individuals of any age, but is most commonly diagnosed in older adults. The incidence of small-cell melanoma is similar in both men and women.

==Pathogenesis==
The exact cause of small-cell melanoma is unknown. However, like other forms of melanoma, it is believed to be related to DNA damage in melanocytes, often due to exposure to ultraviolet (UV) radiation from the sun or tanning beds. Certain genetic mutations may also play a role in the development of this subtype.

==Clinical Features==
Small-cell melanoma typically presents as a small, dark, irregularly shaped lesion on the skin. It may be flat or slightly raised, and can occur anywhere on the body. However, it is most commonly found on areas of the skin that are frequently exposed to the sun, such as the face, neck, and arms.

==Diagnosis==
The diagnosis of small-cell melanoma is typically made based on a combination of clinical examination, [[dermoscopy]], and skin biopsy. The biopsy specimen is examined under a microscope to confirm the presence of small, round melanoma cells.

==Treatment==
The primary treatment for small-cell melanoma is surgical removal of the tumor. In some cases, additional treatments such as [[chemotherapy]], [[radiation therapy]], or [[immunotherapy]] may be recommended, particularly if the cancer has spread to other parts of the body.

==Prognosis==
The prognosis for small-cell melanoma is generally poorer than for other types of melanoma, due to its aggressive nature and tendency to spread to other parts of the body. However, early detection and treatment can significantly improve survival rates.

==See Also==
* [[Melanoma]]
* [[Skin cancer]]
* [[Small cell lung cancer]]

[[Category:Skin cancer]]
[[Category:Melanoma]]
[[Category:Oncology]]
{{skin-cancer-stub}}
{{medicine-stub}}

Small-cell melanoma - Revision history

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