Info: Common dermatological terms and their definitions : 1. alopecia : hair loss , it may be partial or complete . 2. annular : ring shaped lesions 3. cyst : a soft, raised, encapsulated lesion filled with sesamoid or liquid contents . 4. herpetiform : grouped lesions 5. lichenoid : violaceous to purple, polygonal lesions that resemble those seen in lichen planus 6. milia : small ,firm, white papules filled with keratin 7. morbilliform : generalized , small erythematous macules and/or papules that resemble lesions seen in measles 8. nummular : coin shaped lesions 9. poikiloderma : skin that displays variegated pigmentation ,atrophy and telangiectases . 10. polycyclic : a configuration of skin lesions formed from coalescing rings or incomplete rings 11. pruritis : a sensation that elicits the desire to scratch. Pruritis is often the predominant symptom of inflammatory skin diseases ( example : atopic dermatitis , allergic contact dermatitis ) . it is also commonly associated with xerosis and aged skin . systemic conditions that can be associated with pruritis include chronic renal disease, cholestasis, pregnancy, malignancy, thyroid disease, polycythemia vera and delusions of parasitosis .
Posted on: Mon, 02 Sep 2013 09:26:22 +0000
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