diascopy


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diascopy

 [di-as´ko-pe]
1. examination by means of a diascope.

di·as·co·py

(dī-as'kŏ-pē),
Examination of superficial skin lesions with a diascope.
[G. dia, through, + skopeō, to see]

di·as·co·py

(dī-as'kŏ-pē)
Examination of superficial skin lesions with a diascope.
[G. dia, through, + skopeō, to see]

diascopy

a special technique for examination of erythematous skin lesions. If a clear glass slide, pressed over the lesion, causes the color to fade, there is vascular engorgement; if it does not fade, it is hemorrhage in the skin.
References in periodicals archive ?
This haemorrhagic point can be recognized easily by diascopy.
On diascopy, these nodules show as diagnostic apple jelly color.
The central areas demonstrated a bruised appearance that did not resolve with diascopy.
Diascopy was negative, histopathology did not revealed granuloma and hence Lupus vulgaris was ruled out.
No fading was observed when diascopy was applied to the nodule.
Apple- jelly color was seen when examined by diascopy.
On dermatological examination, enlargement of scars was observed in different areas of the patient's body and these were seen as linear copper red-violaceous plaques with apple-jelly sign on diascopy.
Apple-jelly colour was seen when examined by diascopy.
Particle dimensions were measured with a Leica MZ3 optical microscope with Lida software in diascopy mode and non polarized light.
Figure 2 Diascopy showing non-blanchable lesions (A) and closeup view (B).
It is a true nevus and diascopy will not result in the loss of the border between the hypopigmented patch and surrounding skin.
3 On diascopy, a typical apple jelly colour is characteristic.