. Diseases of the nervous system : for the general practitioner and student. ct contact with the diseased area or may occur throughthe veins which carry the infection to the sinus. Thus thrombophlebitisfollows disease of the skull or face or of the ear. Caries of the petrousbone is frequently the cause. In the latter case the sinuses affected are:lateral, superior and inferior petrosal. Diseases of the orbital and thenasal cavities, of the pharynx, of the mouth, periostitis of the maxillarybones, erysipelas of the face, are all causes of thrombophlebitis. As to themicroorganisms in the thrombu
. Diseases of the nervous system : for the general practitioner and student. ct contact with the diseased area or may occur throughthe veins which carry the infection to the sinus. Thus thrombophlebitisfollows disease of the skull or face or of the ear. Caries of the petrousbone is frequently the cause. In the latter case the sinuses affected are:lateral, superior and inferior petrosal. Diseases of the orbital and thenasal cavities, of the pharynx, of the mouth, periostitis of the maxillarybones, erysipelas of the face, are all causes of thrombophlebitis. As to themicroorganisms in the thrombus, nothing definite is known: strepto-coccus appears to be the most frequent. Symptoms.—They are general and special. The general symptomsare: mental hebetude, somnolence, headache associated with vomiting,rigidity of the neck or of the extremities, sometimes convulsions. Opticneuritis is frequently present, especially in cases of chlorosis. In secondaryor infective thrombosis there are also rigors followed by profuse perspira- 199 200 THROMBOSIS OF INTRACRANIAL SINUSES. tion and elevation of temperature; oedema in the vicinity of the sinus;pain in the abdomen, diarrhoea may be present in some cases; greatrestlessness with delirium may be present in others. The special symp-toms depend upon the sinus involved. i. Longitudinal sinus: Distention of the temporal veins; cyanosisof the face; tension of the large fontanelle in children; epistaxis. 2. Transverse sinus: The internaland external jugular veins are mastoid region is cedematous andpainful. 3. Cavernous sinus: Stasis andcedema in the ophthalmic vein. (Edemaof the orbit and of the eyelids. Con-gestion and cedema of the retinal bloodvessels. Exophthalmos. Impairmentof vision. Paralysis of the third andsixth nerves, also of first branch of thefifth nerve. The accompanying photo-graph is taken from a patient seen withDr. Gittelson at the Mount Sinai Hcs- Fig. 77 —Thrombosis of Right Caver- pital, who suffered from
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectnervous, bookyear1913
