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Response to Comment on“Massive spontaneous parasellar and retroclival subdural hematoma” 

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Dear Editor, We thank Dr.Bert Boshe et al. for their interest in our paper. Most spontaneous extra-axial hematomas are located supratentorially, usually in the region of the sylvian fissure or… Click to show full abstract

Dear Editor, We thank Dr.Bert Boshe et al. for their interest in our paper. Most spontaneous extra-axial hematomas are located supratentorially, usually in the region of the sylvian fissure or supramarginal gyrus [1]. Some spontaneous extra-axial hematomas in the absence of trauma, aneurysm, arteriovenous malformation, tumor, or coagulopathy have been reported sporadically [2–4]. We agree with the author that recurrence of some hematoma is associated with deficiency of coagulation factors. Clinically, we occasionally encounter some traumatic and spontaneous hematomas recurring repeatedly after surgery, which were resolved with frozen plasma infusion. Dr. Bert Boshe has given us a new idea for this kind of hematoma, and we now also try to contact the patient to ask whether the local hospital can exam the F XIII activity, because the patient is in another city far away from us. However, our case more likely suffered from the pituitary apoplexy or arterial origin bleeding even though no angiography origin was confirmed [3], in which the hematoma centered around the sella turcica. In our case, the course and neuroradiological imaging are all acute phase, which is different from the cases that Dr. Bert Boshe et al. reported. Second, the case in our paper, and the cases our paper cited are for the courses which are self-limited and should not be resolved without plasma infusion and operation if the etiology is deficiency of FXIII. As we all know, both acute and chronic subdural hematoma with obvious neurological or midline shift need trepanation and drainage or hematoma evacuation with craniotomy because the hematoma can not be self-limited, especially with FXIII deficiency, and this type of hematoma becomes severe because of the excessive activation of both the clotting and fibrinolytic systems [5]. We have followed up the patient for about two years, and no recurrence was observed.

Keywords: massive spontaneous; response comment; hematoma; comment massive; subdural hematoma; bert boshe

Journal Title: Neuroradiology
Year Published: 2017

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