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Keratosis pilaris. 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]
A Baker's cyst, also known as a popliteal cyst, is a type of fluid collection behind the knee. [ 4] Often there are no symptoms. [ 2] If symptoms do occur these may include swelling and pain behind the knee, or knee stiffness. [ 1] If the cyst breaks open, pain may significantly increase with swelling of the calf. [ 1]
Schamberg's disease, or progressive pigmented purpuric dermatosis, is a chronic discoloration of the skin which usually affects the legs and often spreads slowly. This disease is more common in males and may occur at any age from childhood onward. This condition is observed worldwide and has nothing to do with race or ethnic background.
Osgood–Schlatter disease ( OSD) is inflammation of the patellar ligament at the tibial tuberosity ( apophysitis) [3] usually affecting adolescents during growth spurts. [5] It is characterized by a painful bump just below the knee that is worse with activity and better with rest. [3] Episodes of pain typically last a few weeks to months. [6]
Specialty. Medical genetics. Congenital hemidysplasia with ichthyosiform erythroderma and limb defects (also known as " CHILD syndrome ") is a genetic disorder with onset at birth seen almost exclusively in females. [1] : 485 The disorder is related to CPDX2, and also has skin and skeletal abnormalities, distinguished by a sharp midline ...
Dermatitis herpetiformis. Dermatitis herpetiformis ( DH) is a chronic autoimmune blistering skin condition, [ 3] characterised by intensely itchy blisters filled with a watery fluid. [ 4] DH is a cutaneous manifestation of coeliac disease, [ 5] although the exact causal mechanism is not known. DH is neither related to nor caused by herpes virus ...
Rothmund–Thomson syndrome (RTS) is a rare autosomal recessive [3] [4] skin condition. There have been several reported cases associated with osteosarcoma . A hereditary basis, mutations in the DNA helicase RECQL4 gene, causing problems during initiation of DNA replication has been implicated in the syndrome.
Specialty. Dermatology. Psychiatry. Excoriation disorder, more commonly known as dermatillomania, is a mental disorder on the obsessive–compulsive spectrum that is characterized by the repeated urge or impulse to pick at one's own skin, to the extent that either psychological or physical damage is caused. [ 4][ 5]