Cancer localization by detection of fluorescence by means of HpD administration and krypton ion laser photoradiation in canine lung cancer

Harubumi Kato, Chimori Romka, Jutaro Ono, Tsutomu Saito, Yasushi Matsushima, Issei Iimura, Makoto Tahara, Norihiko Kawate, Kazuo Yoneyama, Katsuaki Nishimiya, Yoshihiro Hayata

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A laser photoradiation system for the localization of lung cancer by detection of fluorescence emitted by hematoporphyrin derivative (HpD) was tested in experimentally induced malignant tumors in dogs. Canine lung cancer was induced by means of repeated submucosal injections of 20-methylcholanthrene at the bifurcation of the right apical and cardiac lobe bronchi. Four dogs with squamous cell carcinoma were used in this experiment and 5 dogs (4 dogs with cancer and 1 normal dog) were used as controls. 2.5—5.0 mg/kg body weight of HpD was administered intravenously in each dog 48 hours prior ttf examination for fluorescence. HpD is known to be retained longer by malignant tissue than by normal tissue and to emit fluorescence when stimultated by violet light. A krypton ion laser was used as a violet light source to excite the HpD, and an image intensifier and fiberoptic bronchoscope were used to detect fluorescence from the tumors. The cancer focus showed positive fluorescence in all cases. On the contrary, the control group which did not receive HpD injection showed no fluorescence.

Original languageEnglish
Pages (from-to)439-445
Number of pages7
JournalJapanese Journal of Lung Cancer
Volume21
Issue number4
DOIs
Publication statusPublished - 1981
Externally publishedYes

Fingerprint

Hematoporphyrin Derivative
Krypton
Canidae
Lung Neoplasms
Lasers
Fluorescence
Dogs
Ions
Light
Neoplasms
Bronchoscopes
Injections
Methylcholanthrene
Bronchi
Squamous Cell Carcinoma
Body Weight
Control Groups

ASJC Scopus subject areas

  • Oncology
  • Pulmonary and Respiratory Medicine

Cite this

Cancer localization by detection of fluorescence by means of HpD administration and krypton ion laser photoradiation in canine lung cancer. / Kato, Harubumi; Romka, Chimori; Ono, Jutaro; Saito, Tsutomu; Matsushima, Yasushi; Iimura, Issei; Tahara, Makoto; Kawate, Norihiko; Yoneyama, Kazuo; Nishimiya, Katsuaki; Hayata, Yoshihiro.

In: Japanese Journal of Lung Cancer, Vol. 21, No. 4, 1981, p. 439-445.

Research output: Contribution to journalArticle

Kato, H, Romka, C, Ono, J, Saito, T, Matsushima, Y, Iimura, I, Tahara, M, Kawate, N, Yoneyama, K, Nishimiya, K & Hayata, Y 1981, 'Cancer localization by detection of fluorescence by means of HpD administration and krypton ion laser photoradiation in canine lung cancer', Japanese Journal of Lung Cancer, vol. 21, no. 4, pp. 439-445. https://doi.org/10.2482/haigan.21.439
Kato, Harubumi ; Romka, Chimori ; Ono, Jutaro ; Saito, Tsutomu ; Matsushima, Yasushi ; Iimura, Issei ; Tahara, Makoto ; Kawate, Norihiko ; Yoneyama, Kazuo ; Nishimiya, Katsuaki ; Hayata, Yoshihiro. / Cancer localization by detection of fluorescence by means of HpD administration and krypton ion laser photoradiation in canine lung cancer. In: Japanese Journal of Lung Cancer. 1981 ; Vol. 21, No. 4. pp. 439-445.
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abstract = "A laser photoradiation system for the localization of lung cancer by detection of fluorescence emitted by hematoporphyrin derivative (HpD) was tested in experimentally induced malignant tumors in dogs. Canine lung cancer was induced by means of repeated submucosal injections of 20-methylcholanthrene at the bifurcation of the right apical and cardiac lobe bronchi. Four dogs with squamous cell carcinoma were used in this experiment and 5 dogs (4 dogs with cancer and 1 normal dog) were used as controls. 2.5—5.0 mg/kg body weight of HpD was administered intravenously in each dog 48 hours prior ttf examination for fluorescence. HpD is known to be retained longer by malignant tissue than by normal tissue and to emit fluorescence when stimultated by violet light. A krypton ion laser was used as a violet light source to excite the HpD, and an image intensifier and fiberoptic bronchoscope were used to detect fluorescence from the tumors. The cancer focus showed positive fluorescence in all cases. On the contrary, the control group which did not receive HpD injection showed no fluorescence.",
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