What is a Keratotic lesion?
Actinic keratoses (plural of actinic keratosis) describes lesions on the outer skin layer caused by too much exposure to the ultraviolet rays of sunlight. They are also the beginnings of skin cancer, most often appearing after age 40.
What are the 3 main skin cancers?
But this common form of cancer can also occur on areas of your skin not ordinarily exposed to sunlight. There are three major types of skin cancer — basal cell carcinoma, squamous cell carcinoma and melanoma.
Does squamous cell carcinoma affect immune system?
Squamous cell carcinomas that are large or recurrent have the potential to spread to lymph nodes and internal organs. Squamous cell carcinomas can be particularly aggressive in patients that have suppressed immune systems (organ transplants or lymphoma).
What does pre melanoma look like?
Crustiness or bleeding. Diameter of less than one inch. Discoloration, often appearing brown, pink, gray, red, yellow, or white. Flat or slightly raised.
What causes Keratotic?
Actinic keratosis is a rough, scaly patch or bump on the skin. It’s also known as a solar keratosis. Actinic keratoses are very common, and many people have them. They are caused by ultraviolet (UV) damage to the skin.
What is a Keratotic Papule?
Keratosis follicularis, also known as Darier disease, is a rare, genetic skin disorder. Affected individuals develop skin lesions that consist of thickened, rough bumps (papules) or plaques that may also be greasy or have a brown or yellow crust.
What are the worst skin cancers?
Melanoma is often called “the most serious skin cancer” because it has a tendency to spread. Melanoma can develop within a mole that you already have on your skin or appear suddenly as a dark spot on the skin that looks different from the rest. Early diagnosis and treatment are crucial.
What kind of tank is the PzKpfw 38 t?
German ex-Czech light tank PzKpfw 38 (t). History, development, service, specifications, pictures and 3D model. Panzer 38 (t) Ausf A. The picture shows the curve of the driver’s plate and the hull-mounted machine-gun
How do you use a Pz 38 t f?
The Pz.38 (t) F has 10 degrees of gun depression, allowing the use of a ridge or hill to fire upon the enemy with only the turret showing to the enemy tanks. This is the ideal position to be in, especially if side shots of the enemy present themselves from that hull-down position.
What kind of gun is a Panzer 38 t?
Panzer 38 (t) Ausf A. The picture shows the curve of the driver’s plate and the hull-mounted machine-gun The Panzer 38 (t) was, in fact, the Czech LT Vz 38 which was produced for the Wehrmacht after the annexation of the Czechoslovakian provinces of Bohemia and Moravia in March 1939.
When was the 38 (t) Ausf-F variant of the tank introduced?
It was introduced in Update 1.41 . The Pz.Kpfw. 38 (t) Ausf.F variant is an up-armoured version of its predecessor: the Ausf. A. Notably, armour on all sides has been doubled from 25/15/15 mm to a decent 50/30/30 mm. However, the increased armour thickness brings additional weight, making this tank a bit slower than the Ausf.