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Annals of Surgical Oncology
Published in: Annals of Surgical Oncology 9/2013

01-09-2013 | Head and Neck Oncology

mTHPC-mediated Photodynamic Therapy of Early Stage Oral Squamous Cell Carcinoma: A Comparison to Surgical Treatment

Authors: Sebastiaan A. H. J. de Visscher, MD, DDS, Lieuwe J. Melchers, MD, Pieter U. Dijkstra, PhD, Baris Karakullukcu, MD, I. Bing Tan, PhD, MD, Colin Hopper, MD, FRCS(Ed), FDSRCS, Jan L. N. Roodenburg, PhD, DDS, Max J. H. Witjes, PhD, MD, DDS

Published in: Annals of Surgical Oncology | Issue 9/2013

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Abstract

Background

mTHPC-mediated photodynamic therapy (PDT) is used for treatment of early head and neck squamous cell carcinoma. This study is a retrospective comparison of PDT with transoral surgery in the treatment of early primary squamous cell carcinoma of the oral cavity/oropharynx.

Methods

PDT data were retrieved from four study databases; surgical results were retrieved from our institutional database. To select similar primary tumors, infiltration depth was restricted to 5 mm for the surgery group. A total of 126 T1 and 30 T2 tumors were included in the PDT group, and 58 T1 and 33 T2 tumors were included in the surgically treated group.

Results

Complete response rates with PDT and surgery were 86 and 76 % for T1, respectively, and for T2 63 and 78 %. Lower local disease-free survival for PDT compared to surgery was found. However, when comparing the need for local retreatment, no significant difference for T1 tumors was found, while for T2 tumors surgery resulted in significantly less need for local retreatment. No significant differences in overall survival between surgery and PDT were observed.

Conclusions

PDT for T1 tumors results in a similar need for retreatment compared to surgery, while for T2 tumors PDT performs worse. Local disease-free survival for surgery is better than for PDT. This may be influenced by the benefit surgery has of having histology available. This allows an early decision on reintervention, while for PDT one has to follow a wait-and-see policy. Future prospective studies should compare efficacy as well as morbidity.
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Metadata
Title
mTHPC-mediated Photodynamic Therapy of Early Stage Oral Squamous Cell Carcinoma: A Comparison to Surgical Treatment
Authors
Sebastiaan A. H. J. de Visscher, MD, DDS
Lieuwe J. Melchers, MD
Pieter U. Dijkstra, PhD
Baris Karakullukcu, MD
I. Bing Tan, PhD, MD
Colin Hopper, MD, FRCS(Ed), FDSRCS
Jan L. N. Roodenburg, PhD, DDS
Max J. H. Witjes, PhD, MD, DDS
Publication date
01-09-2013
Publisher
Springer US
Published in
Annals of Surgical Oncology / Issue 9/2013
Print ISSN: 1068-9265
Electronic ISSN: 1534-4681
DOI
https://doi.org/10.1245/s10434-013-3006-6

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