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Keratosis pilaris (KP; also follicular keratosis, lichen pilaris, or colloquially chicken skin. [1]) is a common, autosomal-dominant, genetic condition of the skin's hair follicles characterized by the appearance of possibly itchy, small, gooseflesh-like bumps, with varying degrees of reddening or inflammation. [2]
Schamberg's disease, (also known as "progressive pigmentary dermatosis of Schamberg", [1] "purpura pigmentosa progressiva" (PPP), [1] and "Schamberg's purpura" [1]) is a chronic discoloration of the skin found in people of all ages, usually only affecting the feet, legs or thighs or a combination. It may occur as a single event or subsequent ...
Hives, also known as urticaria, is a kind of skin rash with red and/or flesh-colored, raised, itchy bumps. [1] Hives may burn or sting. [ 2 ] The patches of rash may appear on different body parts, [ 2 ] with variable duration from minutes to days, and do not leave any long-lasting skin change. [ 2 ]
A female baby born in Nagpur, India in June 2016 died after two days. She was the first case of harlequin ichthyosis reported in India. [39] [40] [41] Hannah Betts was born with the condition in 1989 in Great Britain, and died in 2022 at 32 years old. [42] Ng Poh Peng was born in 1991 in Singapore. Doctors had not expected her to live past her ...
[3] [6] Venous disease, such as venous incompetence, venous hypertension, and body mass may be relevant to the underlying pathogenesis. [3] Increased blood pressure in the veins (venous hypertension) can cause diffusion of substances, including fibrin, out of capillaries. Fibrotic tissue may predispose the tissue to ulceration.
Diagnosis of urticaria pigmentosa (cutaneous mastocytosis, see above) can often be done by seeing the characteristic lesions that are dark brown and fixed. A small skin sample may help confirm the diagnosis. [citation needed] In case of suspicion of systemic disease the level of serum tryptase in the blood can be of help.
The term autoimmune urticaria refers to a subset of chronic spontaneous urticaria (CSU) cases where the immune system appears to play a significant role. This understanding began to evolve in the mid to late 20th century as advances in immunology revealed the complex interactions between the immune system and various diseases. [15]
The baby is highly infectious if the rash and snuffles are present. [4] The disease may be suspected from tests on the mother; blood tests and ultrasound. [9] Tests on the baby may include blood tests, CSF analysis and medical imaging. [10] Findings may reveal anemia and low platelets. [4]