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A modification of Jakobsson's criteria that determines the mode of cancer invasion (Yamamoto, 1982) has been reported to be useful in predicting the prognosis in patients with an oral squamous cell carcinoma. In this retrospective study, a five-factorial grading system of the histological malignancy (+ the differentiations, the nuclear polymorphism, the mitoses, and the cellular response) was evaluated in relation to clinical course of each patient. RESULTS 75 cases were classified into four grades from Grade 1, the lowest malignancy, to Grade 4, the highest malignancy. The percentage metastases was 10, 24, 54, and 75% for each grade, respectively. The percentage of survival was 75, 75, 35, and 25% for each grade, respectively. From these results, this grading system was seen to have a close-correlation with the clinical course of each patient.
E Yamamoto, and
K Nakagawa, and
E Fujimoto, and
T Muroki, and
S Kumagai, and
S Kojima, and
S Takatsuka
January 1982,
Acta oto-laryngologica,
E Yamamoto, and
K Nakagawa, and
E Fujimoto, and
T Muroki, and
S Kumagai, and
S Kojima, and
S Takatsuka
September 1989,
Journal of oral pathology & medicine : official publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology,
E Yamamoto, and
K Nakagawa, and
E Fujimoto, and
T Muroki, and
S Kumagai, and
S Kojima, and
S Takatsuka
April 1973,
Acta oto-laryngologica,
E Yamamoto, and
K Nakagawa, and
E Fujimoto, and
T Muroki, and
S Kumagai, and
S Kojima, and
S Takatsuka
April 1992,
The Journal of pathology,
E Yamamoto, and
K Nakagawa, and
E Fujimoto, and
T Muroki, and
S Kumagai, and
S Kojima, and
S Takatsuka
June 1987,
Scandinavian journal of dental research,
E Yamamoto, and
K Nakagawa, and
E Fujimoto, and
T Muroki, and
S Kumagai, and
S Kojima, and
S Takatsuka
January 1975,
Acta oto-laryngologica,
E Yamamoto, and
K Nakagawa, and
E Fujimoto, and
T Muroki, and
S Kumagai, and
S Kojima, and
S Takatsuka
April 1973,
Acta oto-laryngologica,
E Yamamoto, and
K Nakagawa, and
E Fujimoto, and
T Muroki, and
S Kumagai, and
S Kojima, and
S Takatsuka
January 2016,
Journal of cytology,
E Yamamoto, and
K Nakagawa, and
E Fujimoto, and
T Muroki, and
S Kumagai, and
S Kojima, and
S Takatsuka
July 2018,
Asian Pacific journal of cancer prevention : APJCP,
E Yamamoto, and
K Nakagawa, and
E Fujimoto, and
T Muroki, and
S Kumagai, and
S Kojima, and
S Takatsuka
June 2018,
Journal of cranio-maxillo-facial surgery : official publication of the European Association for Cranio-Maxillo-Facial Surgery,
