Results 21 to 30 of about 264 (104)

Malignant Conversion of a Solitary Papilloma in the Distal Trachea: Report of a Case

Canadian Respiratory Journal, Volume 15, Issue 7, Page 375-376, 2008., 2008
A solitary papilloma versus the usual multiple lesions of papillomatosis is extremely rare. Even more infrequent is a solitary papilloma of the trachea in an adult patient. In the present report, a case of a solitary papilloma in the distal trachea is presented.
Achilleas Lioulias, Panagiotis Misthos, Georgios Papagiannakis, Dimitrios Mermigkis, Napoleon Karagianidis, Kostas Neofotistos, John Kokotsakis   +6 more
wiley   +1 more source

Detection of Photofrin Fluorescence From Malignant and Premalignant Lesions in the Bronchus using a Full‐color Endoscopic Fluorescence Imaging System

Diagnostic and Therapeutic Endoscopy, Volume 7, Issue 3-4, Page 187-195, 2001., 2001
Study objectives: To detect invisible lung cancer and to determine field of laser radiation during PDT we developed a full‐color fluorescence fiberscopic system. We tested the efficacy of this system in patients with various bronchial malignancies. System design: A fiber‐optic endoscope was attached to a camera box containing a color ICCD camera which ...
Yoshinobu Ohsaki, Kaneyoshi Takeyama, Shoko Nakao, Sachie Tanno, Eri Toyoshima, Kyoko Nakanishi, Yutaka Nishigaki, Toshiyuki Ogasa, Shinobu Osanai, Kenjiro Kikuchi, Susumu Nakajima   +10 more
wiley   +1 more source

Photodynamic Therapy for Obstructive Esophageal Malignancies

Diagnostic and Therapeutic Endoscopy, Volume 5, Issue 3, Page 167-174, 1999., 1999
Objectives Determine factors affecting survival rates, benefits and complications of patients with obstructive esophageal cancer treated with photodynamic therapy (PDT). Methods From 1982 to January 1998, we used PDT to treat 140 patients with obstructive adeno or squamous carcinoma and evaluated survival up to November 1998.
James S. McCaughan Jr.
wiley   +1 more source

Progress of Photodynamic Therapy in Gastric Cancer

Diagnostic and Therapeutic Endoscopy, Volume 5, Issue 3, Page 175-182, 1999., 1999
Progress of photodynamic therapy (PDT) in gastric cancer and the clinical outcome are described in this paper. (1) We included the whole lesion and a 5 mm margin in the field for irradiation. Marking by injection of India‐ink showing the irradiation field was performed beforehand.
Seishiro Mimura, Hiroyuki Narahara, Toru Otani, Shigeru Okuda   +3 more
wiley   +1 more source

Photodynamic Diagnosis and Treatment for Atherosclerosis by an Endoscopic Approach

Diagnostic and Therapeutic Endoscopy, Volume 5, Issue 3, Page 191-195, 1999., 1999
The photosensitizer, mono‐L‐aspartyl chlorin e6 (NPe6), specifically accumulates in the atheromatous plaque. We detected the fluorescence spectra of NPe6 emitted from atheromatous plaques on the descending thoracic aorta by an angioscopic approach using the animal model of atherosclerosis.
Junichi Hayashi, Takashi Saito, Katsuo Aizawa   +2 more
wiley   +1 more source

Photophysical Properties of Hematoporphyrin and Dihematoporphyrin Ether (Ester)in Homogeneous and Microheterogeneous Environments

Zeitschrift für Naturforschung A, 1989
Abstract Excitation wavelength effects on hematoporphyrin (HP) and hematoporphyrin derivative (HPD, Photofrin II) fluorescence spectra, quantum yields and decays were comparatively studied in homo­ geneous (at different pH and substrate concentrations) and microheterogeneous (Triton X 100 micelles and Bovine serum albumin) aqueous ...
Gottfried Köhler, Nikola Getoff, Maria Shopova, Tsvetan Gantchev   +3 more
openaire   +1 more source

Cooperative Clinical Trial of Photodynamic Therapy for Early Gastric Cancer With Photofrin Injection® and YAG‐OPO Laser

Diagnostic and Therapeutic Endoscopy, Volume 4, Issue 4, Page 165-171, 1998., 1997
Background and Objective: Photodynamic therapy (PDT) treats malignant tumors using photosensitizers and light. We employed a new pulse laser as the excitation light source for PDT, i.e. an optical parametric oscillator (OPO) system pumped by a Q‐switched Nd:YAG laser, because it provides extremely high peak power.
Seishiro Mimura, Hiroyuki Narahara, Toshio Hirashima, Hisayuki Fukutomi, Akira Nakahara, Hiromasa Kashimura, Hirofumi Matsui, Hiroshi Tanimura, Yugo Nagai, Shigeru Suzuki, Yoko Murata, Kazunari Yoshida, Kaichi Isono, Teruo Kozu, Hiroko Ide, Harubumi Kato   +15 more
wiley   +1 more source

A Clinical Study of Photodynamic Therapy for Superficial Esophageal Carcinoma by YAG‐OPO Laser

Diagnostic and Therapeutic Endoscopy, Volume 4, Issue 4, Page 173-176, 1998., 1997
A cooperative clinical study of photodynamic therapy (PDT) for superficial esophageal carcinoma was conducted at 6 medical institution. PHE (2mg/kg) with high tumor affinity was used as the oncotropic compound. The light source was a pulse wave YAG‐OPO laser with high penetration into the tissue. Irradiation was performed at an energy density of 60–180
Kazunari Yoshida, Shigeru Suzuki, Seishiro Mimura, Hiroyuki Narahara, Hiroshi Tanimura, Yugo Nagai, Kaichi Isono, Teruo Kozu, Hisayuki Fukutomi, Akira Nakahara, Hiromasa Kashimura, Toshio Hirashima, Yoko Murata, Hiroko Ide, Harubumi Kato   +14 more
wiley   +1 more source

Bronchoscopy of Lung Cancer

Diagnostic and Therapeutic Endoscopy, Volume 1, Issue 1, Page 9-18, 1994., 1993
Lung cancer is a leading cancer site in men and women with a high incidence and mortality rate. Most patients are diagnosed when the disease has already spread. An early, detection and immediate and accurate histological or cytological diagnosis are essential for a hopeful outcome.
R. W. Hauck, H. P. Emslander
wiley   +1 more source

A Comparison of tumor demarcation potential for various hematoporphyrin derivatives and phtalocyanine using laser-induced fluorescence

, 1988
Laser-induced fluorescence data for rats injected with the different tumor-marking drugs, dihematoporphyrin ether, poly hematoporphyrin esters, hematoporphyrin and phtalocyanine, are presented.
S Andersson-Engels, Andersson-Engels, S., K Svanberg, Johansson, J., Ankerst, J., Svanberg, K.,, Svanberg, K., Andersson-Engels, S.,, S Svanberg, Svanberg, S.,, Svanberg, S., Ankerst, J.,, Lund University., J Ankerst, J Johansson   +14 more
core   +1 more source