Haemorrhagic pigmentary dermatosesD69.2
Synonym(s)
DefinitionThis section has been translated automatically.
Purpura restricted to the skin due to chronic inflammatory capillary changes and additionally increased hydrostatic pressure with grouped petechiae and subsequent hemosiderin deposits in the connective tissue. Histologically, all forms of purpura recognizable as such have eczematoid dermatitis in common with lymphocytic inflammatory infiltration. The consequences are creeping, but continuous or recurrent bleeding.
ClassificationThis section has been translated automatically.
Various clinical pictures are subsumed under this term:
- Purpura pigmentosa progressive
- Purpura anularis teleangiectodes (Majocchi)
- Lichenoid purpura (Gougerot flower)
- Eczematid-like purpura
- lichen aureus
EtiopathogenesisThis section has been translated automatically.
Probably type IV allergy (see allergy below) in addition with an unspecified cofactor. The allergen can be supplied orally, by contact or inhalation.
Usually triggered by drugs (bromocarbamides, bisacodyl, diazepam).
The predilection is determined by hydrostatic pressure in dependent parts of the body.
TherapyThis section has been translated automatically.
LiteratureThis section has been translated automatically.
- Fence H (1987) Hemorrhagic-pigmentary dermatoses. Z Hautkr 62: 1485-1491