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The pattern of the eruption changes, with slow extension and often some clearing of the original lesions. 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 ...
Causes. Autoimmune diseases, hyperlipidemia, poisons, drug abuse. Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin. [1] The discoloration is caused by reduction in blood flow (ischemia) through the arterioles that supply the cutaneous ...
Golfer's vasculitis, also called exercise-induced vasculitis, sport-induced vasculitis, Disney rash, or hiker's rash, is a form of small blood vessel inflammation resulting in a rash. [1] It occurs in the lower legs, and is caused by excessive walking in hot temperatures.
Ictalurid herpesvirus 1 (IcHV-1) is a species of virus in the genus Ictalurivirus, family Alloherpesviridae, and order Herpesvirales. It causes disease in channel catfish and blue catfish, and can cause significant economic loss in catfish farms.
Alfred Blaschko, a private practice dermatologist from Berlin, first described and drew the patterns of the lines of Blaschko in 1901. He obtained his data by studying over 140 patients with various nevoid and acquired skin diseases and transposed the visible patterns the diseases followed onto dolls and statues, then compiled the patterns onto a composite schematic of the human body.
Edwardsiella ictaluri (also known as enteric septicaemia of catfish, hole in the head disease[2] and ESC) is a member of the family Hafniaceae. The bacterium is a short, gram negative, pleomorphic rod with flagella. It causes the disease enteric septicaemia of catfish (ESC), which infects a variety of fish species (including many catfish ...
Pseudoplatystoma is a genus of several South American catfish species of family Pimelodidae.The species are known by a number of different common names.They typically inhabit major rivers where they prefer the main channels and tend to stay at maximum depth, but some species can also be seen in lakes, flooded forests, and other freshwater habitats.
Porphyria cutanea tarda is the most common subtype of porphyria. [1] The disease is named because it is a porphyria that often presents with skin manifestations later in life. The disorder results from low levels of the enzyme responsible for the fifth step in heme production. Heme is a vital molecule for all of the body's organs.