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The main objective for this presentation is the recognition of the main reaction patterns in dermatopathology of non-neoplastic lesions. These reaction patterns include:
- Hyperplastic tissue reaction
* Psoriasiform
* Hyperkeratosic
- Atrophic tissue reaction
- Interface tissue reaction
* Lichenoid
* Vacuolar
- Spongiotic tissue reaction
- Cytopathic tissue reaction
- Vesicular and pustular tissue reaction
- Perivascular tissue reaction
* With no vascular damage
* With vascular damage (vasculitis)
- Nodular and diffuse tissue reaction
- Fibrosing tissue reaction
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