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Brachioradial pruritus (sometimes abbreviated BRP) is an intense itching sensation of the arm usually between the wrist and elbow of either or both arms. [1]: 36 The itch can be so intense that affected individuals will scratch their own skin to a bleeding condition.
Most bruises occur close enough to the epidermis such that the bleeding causes a visible discoloration. The bruise then remains visible until the blood is either absorbed by tissues or cleared by immune system action. Bruises which do not blanch under pressure can involve capillaries at the level of skin, subcutaneous tissue, muscle, or bone ...
Various drugs can also induce pruritus which can manifest with or without a skin rash and can happen immediately or even months after the drug has been used by the patient. Neurological disorders such as postherpetic neuralgia, brachioradial pruritus and notalgia paraesthetica can also lead to senile pruritus with burning, stinging, scratching ...
705.1 Prickly heat, heat rash. 705.83 Hidradenitis suppurativa; 706 Diseases of sebaceous glands. 706.0 Acne varioliformis; 706.1 Other acne; 706.2 Sebaceous cyst; 706.3 Seborrhea; 706.8 Other specified diseases of sebaceous glands; 706.9 Unspecified disease of sebaceous glands; 707 Chronic ulcer of skin. 707.0 Decubitus ulcer; 707.1 Ulcer ...
Welts on the hand and forearm. A welt is a bloodshot stripe on the skin. They are hematoma, a special form of a bruise. Welts occur when blunt force is applied to the body with elongated objects without sharp edges. Like other haematomas, welts change their colors as they heal, which usually takes two to four weeks.
Rash due to measles. Many skin conditions affect the human integumentary system—the organ system covering the entire surface of the body and composed of skin, hair, nails, and related muscle and glands. [1] The major function of this system is as a barrier against the external environment. [2]
The characteristic bullseye rash does not always appear in Lyme disease (the rash may not have a central or ring-like clearing, or not appear at all). [23] Factors supportive of Lyme include recent outdoor activities where Lyme is common and rash at an unusual site for cellulitis, such as armpit, groin, or behind the knee.
X chromosome. The factor IX gene is located on the X chromosome (Xq27.1-q27.2). It is an X-linked recessive trait, which explains why males are affected in greater numbers. [9] [10] A change in the F9 gene, which makes blood clotting factor IX (9), causes haemophilia B. [11]