Polarized light photography enhances visualization of inflammatory lesions of acne vulgaris - 11/09/11
Abstract |
Background: Polarized light photography has been used to selectively differentiate surface from subsurface features of photoaged skin.
Objective: Our purpose was to compare acne assessments obtained from clinical evaluations with assessments from photographs obtained with flash photography and with perpendicular polarized light photography.
Methods: Assessments of acne with the Cunliffe scale were made of 32 subjects. Retrospective evaluations of standard and perpendicular polarized light photographs were made in a blinded fashion by a panel of evaluators.
Results: Visualization of inflammatory acne lesions was enhanced with perpendicular polarized light photography, with clear delineation of erythematous borders. Acne assessments with the use of a Cunliffe scale were significantly higher (p = 0.001) from perpendicular polarized light photographs than for clinical evaluations.
Conclusion: Polarized light photography enhances visualization of inflammatory acne lesions in a manner not possible with conventional flash photographs, permitting accurate evaluation of the extent of disease and the effectiveness of therapy. (J Am Acad Dermatol 1997;37:948-52.)
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 | From the Dermatology Clinical Investigations Unit, Department of Dermatology, Massachusetts General Hospital, Harvard Medical School. |
| Supported in part by research grants from Owen/Galderma Laboratories, Inc., Fort Worth, Tex., and Syntex Laboratories, Palo Alto, Calif. |
 | Reprint requests: Nikiforos Kollias, PhD, Department of Dermatology, Massachusetts General Hospital, Wellman Laboratories of Photomedicine, M/S BHX 630, Boston, MA 02114. |
| 0190-9622/97/$5.00 + 0 16/1/84832 |
Vol 37 - N° 6
P. 948-952 - dicembre 1997 Ritorno al numero
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