[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"kakomon-q-2023-jitchi-43":3},{"slug":4,"exam_year":5,"exam_round":6,"section":7,"section_code":8,"number":9,"body":10,"choices":11,"correct_indices":28,"explanation":29,"has_explanation":24,"tags":30},"2023-jitchi-43",2023,1,"実地","jitchi",43,"図は突然の後肢麻痺を呈した10 歳小型犬の腰部MRI 縦断面像である。赤丸の部分で 脊髄が背側に押し上げられている。診断名はどれか。",[12,15,18,21,25],{"index":6,"body":13,"is_correct":14},"脊髄腫瘍",false,{"index":16,"body":17,"is_correct":14},2,"変性性脊髄症",{"index":19,"body":20,"is_correct":14},3,"馬尾症候群",{"index":22,"body":23,"is_correct":24},4,"椎間板ヘルニア",true,{"index":26,"body":27,"is_correct":14},5,"椎骨骨折 図 44",[22],"正答は4（椎間板ヘルニア）。突然の後肢麻痺を示す高齢小型犬で、腰部MRIで椎間板物質が脊柱管内に突出し脊髄を背側へ押し上げている像は椎間板ヘルニア。1脊髄腫瘍・2変性性脊髄症・3馬尾症候群・5椎骨骨折は、この『椎間板が脊髄を押し上げる』所見の典型ではない。よって椎間板ヘルニア。**覚え方**: 小型犬の突然の後肢麻痺＋MRIで脊髄が押し上げられる＝椎間板ヘルニア。",null]