TY - JOUR AU1 - Shapiro, M. AU2 - Srivatanakul, K. AU3 - Raz, E. AU4 - Litao, M. AU5 - Nossek, E. AU6 - Nelson, P.K. AB - REPLY: view is entirely consistent with Padget’sinvestigations, repeatedly emphasizing the plexiform nature of dural venous structures. e are extremely thankful to the Hannover group for for- Regarding the relationship between dural venous channels Wwarding to the Editor their deep insights and critique. We and dural fistulas, we feel that the varied opinions held by multi- see the resulting exchange as an excellent opportunity for a sub- ple groups as to their etiology and vascular pathoanatomy, given stantive anatomic discussion and debate in the Journal. the relative paucity of data, are such that a productive discussion It appears that we agree on most points. We agree that study of on the matter at this stage may be premature. vascular dural anatomy requires gross pathology and histology ma- In conclusion, we believe that both bridging veins traversing terial, as acknowledged in the Limitations section of our publica- the dura and supratenorial dural venous channels exist, and both tion. We agree that the channels we both reported go by varied are common. We continue to prefer the term “dural venous names, hindering a comprehensive literature search. We also agree channel,” unless new data disprove this view. Perhaps “intradural that the distinction between TI - Reply: JF - American Journal of Neuroradiology DO - 10.3174/ajnr.A7098 DA - 2021-04-01 UR - https://www.deepdyve.com/lp/american-journal-of-neuroradiology/reply-Pt0FDvvowL SP - E31 EP - E32 VL - 42 IS - 4 DP - DeepDyve ER -