Basic Dermatology (1)
Many skin short case are "spot" diagnoses i.e. either you know or don't know. In PACES,we must learn to give a clear, accurate description of the lesion using dermatological terms in order to generate a reasonable differential diagnoses.
Some of the usual terms that we should be able to use accurately include:
1. Macules
** Well circumscribed change in colour of the skin. It is a discrete flat lesion.
** Examples: vitiligo, viral exanthems, cafe-au-lait spots.
Some of the usual terms that we should be able to use accurately include:
1. Macules
** Well circumscribed change in colour of the skin. It is a discrete flat lesion.
** Examples: vitiligo, viral exanthems, cafe-au-lait spots.
2. Papules and Nodules
** Well circumscribed, solid elevated lesions.
** <1cm in diameter are papules, >1cm in diameter are nodules.
** Examples: xanthomas, molluscum contagiosum, amyloidosis.
3. Plaques
** A flat topped palpable disc shaped lesion.
** Classical examples are psoriasis, lupus erythematous.
4. Wheal
** Rounded, erythematous, flat elevation which is transient vascular response with dermal oedema.
** Examples: urticaria.
To be continue.....
posted by Dr. David Teoh @ 6/04/2006 05:51:00 PM
1 Comments:
the case of vetiligo , i would extend my examination to look for excalmation marks , pallor , thyroid status and to check for postural hypotension and urine for sugar .
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