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M8740/3 Malignant melanoma in junctional nevus M8741/2 Precancerous melanosis, NOS M8741/3 Malignant melanoma in precancerous melanosis M8742/3 Lentigo maligna melanoma. Hutchinson melanotic freckle; M8743/3 Superficial spreading melanoma. M8744/3 Acral lentiginous melanoma, malignant M8745/3 * Desmoplastic melanoma, malignant Neurotropic ...
Clear cell sarcoma is a sub-type of a rare form of cancer called a sarcoma. [1] It is known to occur mainly in the soft tissues and dermis.Rare forms were thought to occur in the gastrointestinal tract before they were discovered to be different and redesignated as gastrointestinal neuroectodermal tumors.
Lentigo maligna is a histopathological variant of melanoma in situ. [6] Lentigo maligna is sometimes classified as a very early melanoma, [7] and sometimes as a precursor to melanoma. [8] When malignant melanocytes from a lentigo maligna have invaded below the epidermis, the condition is termed lentigo maligna melanoma. [2]
Acral lentiginous melanoma is a result of malignant melanocytes at the membrane of the skin (outer layers). [2] [3] The pathogenesis of ALM remains unclear, however injury or mechanical stress might play a role in its development. [17] [18] Unlike cutaneous melanoma, it is not caused by sunlight or UV radiation. [10]
The word melanoma has a long history of being used in a broader sense to refer to any melanocytic tumor, typically, but not always malignant, [170] [171] but today the narrower sense referring only to malignant types has become so dominant that benign tumors are usually not called melanomas anymore and the word melanoma is now usually taken to ...
Lentigo maligna melanoma is a melanoma that has evolved from a lentigo maligna, [1]: 695 as seen as a lentigo maligna with melanoma cells invading below the boundaries of the epidermis. [2] They are usually found on chronically sun damaged skin such as the face and the forearms of the elderly.
This is a shortened version of the second chapter of the ICD-9: Neoplasms. It covers ICD codes 140 to 239. The full chapter can be found on pages 101 to 144 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1.
doi: 10.3892/or.19.6.1367. PMID 18497938. Murphy, George F. "Case 12: Melanocytic tumor of uncertain malignant potential (MELTUMP)". In Artur Zembowicz (ed.). Cases in Dermatopathology: Common Problems in Diagnosis of Pigmented Lesions. Los Gatos, California: Knowledge Books and Software. pp. 73– 80. ISBN 1-74162-088-0