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This monograph deals with a pathologically heterogeneous group of encapsulated tumors, which were situated in the lateral ventricles of the brain. That the author, among the thousands of brain tumors recorded in the medical literature, was able to find only twenty-five similar tumors indicates that the book deals with a great rarity. One might ask why a monograph should be written on such a rare condition, which has no constant clinical or pathologic characteristics. The answer is given in the introduction—to point again to the value of ventriculography, now generally recognized. The book abounds in dogmatic statements. That "this precision in diagnosis [by ventriculography] is not only easy and certain but is attainable without risk to life or function" is not strictly true. The author has been able to find in the literature only one other such tumor disclosed and removed at operation; he overlooked, among others, the case of
Benign, Encapsulated Tumors in the Lateral Ventricles of the Brain: Diagnosis and Treatment. JAMA. 1935;104(3):243. doi:10.1001/jama.1935.02760030075027