This seems to be the standard way of putting this (does not seem to be a technical expression): so:

transcutaneous Nd:YAG last treatment (application) with continuous ice cube cooling

Transcutaneous application
Direct transcutaneous application
Transcutaneous laser application with cooling chamber
** Transcutaneous laser application with continuous ice cube cooling **
Percutaneous laser application
Percutaneous interstitial bare fiber technique
Endoscopic application
Pulsed Nd:YAG laser
Laser treatment of port-wine stains
Laser treatment of hemangiomas
Laser treatment of vascular malformations


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Note added at 33 mins (2008-03-17 19:40:11 GMT)
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Sorry: should be "laser application", not "last application", above.

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Note added at 36 mins (2008-03-17 19:43:12 GMT)
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May be it would be better to specify as "protective"

transcutaneous laser treatment with protective (continuous) ice cube cooling

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Note added at 37 mins (2008-03-17 19:44:19 GMT)
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http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B7M...

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Note added at 1 day4 hrs (2008-03-18 23:39:02 GMT)
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I would say Ad = atopische Dermatitis = atopic dermatitis, except that the "d" should be upper case if that's the translation. Even though in this abstract we see a reference to this, still I am hesitant:

ecently, ** atopic dermatitis ** has been increasing throughout the world, and there have been many labial lentigos caused by a postinflammation of atopic dermatitis.1 Laser therapy, such as the normal ruby laser2 and the Q-switched ruby laser,3 is one of the treatment methods. We make the first report of 4 cases of labial lentigos in atopic dermatitis treated with the frequency-doubled Q-switched ** Nd:YAG laser ** at a wavelength of 532 nm. We achieved rapid results and a dramatic clearing of the lesions without cutaneous alterations in skin texture.