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IRRADIATION OF THE PENESTRATED LARYNX 219 remaining 27 cases, 3 died, 2 of intercurrent disease ; 3 had recurrences and had further irradia- tion through the fenestration. These and all the other cases are now free from symptoms. Five patients are alive cancer-free for,four years and 4 patients for three years. REFERENCES FINZI, N. S., and HARMER, D. (I929) , Ntrahlentherapie, 32, 81. H6RBST, L., and RUCKENSTEINER, E. (I95I), Sere. H6p. Paris, 27, 2454. LAMBERT, V., and WATSON, T. A. (I942), J. Laryng., 57, 222. (I945), Ibid., 6o, 177. LEICHER, H., and MULLER, O. (I95I), Laryng. Rhinol. Otol., 3o, 158. NECUS, V. E. (I95O), J. Laryng., 64, 731. REISNEB, A. (I939) , Dtsch. med. Wschr., 65, 825. BOOK REVIEW Handbook of Radiotherapy. By WALTERM. LEVITT, M.D., F.R.C.P., F.F.R., D.M.R.E., Barrister- at-Law. 5~ × 8½ in. Pp. 232 + xii, with 53 illustrations. 1952. London: Harvey & Blythe, Ltd. 3os. DR. LEVITT has written the best small book and, indeed, probably the best book on radiotherapy which it has been my privilege to read. It is described as a handbook for senior and post-graduate students and admirably fulfils this claim, being well indexed and usefully illustrated as well as being up to date. Clarity of thought and insight into the subject are obvious in all phases of the book, whether physical, technical, biological, or chemical. There are some errors. I would not agree that the design of superficial and deep therapy X-ray tubes should be described as identical (p. 19). The description of the effect of the inverse square law on radiation is clumsy and inaccurate (p. 24). Other small errors are few in number, and it would be foolish to waste the space available in discussing them instead of paying tribute to the feeling of balanced knowledge, judgement, and writing which the book gives, and to the profound wisdom and clinical experience which shines through and between all the lines. This wisdom indeed may not be fully appreciated by those new to either medicine or radiotherapy, and agreeing as I do with almost all Dr. Levitt says, I can only recommend it not only to the senior and post-graduate student for whom it is written, but also to the expert radiotherapist, who will glean many pearls of wisdom from it to guide him in the management of cases of malignant and non-malignant disease requiring radiotherapy. F.E.
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I R R A D I A T I O N O F T H E P E N E S T R A T E D L A R Y N X 219
remaining 27 cases, 3 died, 2 of intercurrent disease ; 3 had recurrences and had further irradia- tion through the fenestration. These and all the other cases are now free from symptoms. Five patients are alive cancer-free for,four years and 4 patients for three years.
REFERENCES FINZI, N. S., and HARMER, D. (I929) , Ntrahlentherapie, 32, 81. H6RBST, L., and RUCKENSTEINER, E. (I95I), Sere. H6p. Paris, 27, 2454. LAMBERT, V., and WATSON, T. A. (I942), J. Laryng., 57, 222.
(I945), Ibid., 6o, 177. LEICHER, H., and MULLER, O. (I95I), Laryng. Rhinol. Otol., 3o, 158. NECUS, V. E. (I95O), J. Laryng., 64, 731. REISNEB, A. (I939) , Dtsch. med. Wschr., 65, 825.
BOOK REVIEW Handbook of Radiotherapy. By WALTER M. LEVITT, M.D., F.R.C.P., F.F.R., D.M.R.E., Barrister-
at-Law. 5~ × 8½ in. Pp. 232 + xii, with 53 illustrations. 1952. London: Harvey & Blythe, Ltd. 3os.
DR. LEVITT has written the best small book and, indeed, probably the best book on radiotherapy which it has been my privilege to read. It is described as a handbook for senior and post-graduate students and admirably fulfils this claim, being well indexed and usefully illustrated as well as being up to date. Clarity of thought and insight into the subject are obvious in all phases of the book, whether physical, technical, biological, or chemical. There are some errors. I would not agree that the design of superficial and deep therapy X-ray tubes should be described as identical (p. 19). The description of the effect of the inverse square law on radiation is clumsy and inaccurate (p. 24). Other small errors are few in number, and it would be foolish to waste the space available in discussing them instead of paying tribute to the feeling of balanced knowledge, judgement, and writing which the book gives, and to the profound wisdom and clinical experience which shines through and between all the lines.
This wisdom indeed may not be fully appreciated by those new to either medicine or radiotherapy, and agreeing as I do with almost all Dr. Levitt says, I can only recommend it not only to the senior and post-graduate student for whom it is written, but also to the expert radiotherapist, who will glean many pearls of wisdom from it to guide him in the management of cases of malignant and non-malignant disease requiring radiotherapy. F . E .
