The pathogenesis, course, diagnosis and treatment of the complication of mastoiditis with which this paper deals have been known for many years. However, the tendency in the literature has been to singularize and typify the clinical picture. There is no doubt that a characteristic syndrome is encountered in the majority of cases of sinus thrombosis, but it is the purpose of this paper to stress the fact that in many of these cases the behavior is not according to the rule. It was in 1919 that Tobey1 wrote:
The terms "typical" and "atypical" as applied to cases of lateral sinus thrombosis should be discarded from the literature, since they are most misleading. . . . I feel justified in making the statement that the textbook so-called "typical case" is very rare, and the otologist must be taught that each case is a problem unto itself, and that the picture is rarely complete.
BROWNELL DH. UNUSUAL CASES OF THROMBOSIS OF THE SIGMOID SINUS. Arch Otolaryngol. 1940;31(4):663–668. doi:10.1001/archotol.1940.00660010668008
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