Diagnosis of melanoma requires detailed analysis of specialist
The suspicion that an injury is melanoma is due to the clinical analysis of the lesion. Using the ABCD rule to help close the diagnosis. In general, the pint must have one of these four characteristics to be suspected:
B- Irregular edges
C- Varied staining
D- Diameter of two or more centimeters
In addition, important information about the appearance of the lesion and data on the health and family of the affected individual are also important. When someone in the family already has or had melanoma is information that weighs heavily for the risk of the patient. A person who has ever had or whose mother or close relative has ever had melanoma is a person whose risk is greatly increased.
Injuries that repeatedly increase, darken, change color, ignite, ulcerate, bleed or show any sudden change, are also significant data to diagnose melanoma.
Clearer, clear-eyed, light-haired, skin cancer patients in the family who have had frequent and severe sunburns should be alert and seek medical and specialized help for early diagnosis of the lesion.
The definitive diagnosis of melanoma is closed by biopsy or histopathological examination of the lesion, which is through visualization of the malignant cells. The examination should describe the cells and, moreover, give information about the depth of the lesion.
The dermoscopy examination also aids in the diagnosis, it can provide more data regarding the lesion that will compose information for the final result. This examination is done with a device called the dermatoscope, which is a normal device with a special lens that improves the visualization of the lesion. The dermatologist is trained to recognize these signs and to make a more accurate diagnosis.
Asymmetric lesions with irregular border, varying colors and more than 0.6 cm, are more suspect and will guide the histopathological examination. Melanoma can be amelanotic, which means that it is colorless and can be mistaken for other skin tumors, such as basal cell carcinoma and squamous cell carcinoma. It can be confused with basal cell carcinoma when it is pigmented and with other tumors, such as sarcomas, such as Kaposi's sarcoma and also with pre-malignant lesions, such as dysplastic nevi, which are spots with suspicious but non-melanoma signs.
Melanoma is the most serious of cutaneous cancers and that when diagnosed early it can be removed with great chances of total cure. However, when it is not withdrawn in time to avoid metastasis leads to various compromises, including death.
Just like the skin and the hair, the nails get older as well. It may seem strange, as they grow and are changed periodically, but over the years, the chemical structure that makes up the nails undergo a series of modifications. For example, the fat content, which is already low under normal conditions, falls with age that is independent of diet or diseases such as hypercholesterolemia (high cholesterol).
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