“…Arshi and Shaw 65 21 yo M Numbness, imbalance B12: #-nl, HCY: " Bhavsar and Khurana 66 23 yo F Paresthesias, gait imbalance B12: #; HCY: "; MMA: "; MCV: nl Blanco and Peters 67 30 yo M Difficulty walking, paresthesias, headaches, painful erections, low libido, poor memory B12: #; MCV: "; Schill: nl Brett 68 21 yo F Weakness, falls, anxiety B12: #-nl Butzkueven and King 69 23 yo M Paresthesias, unsteady gait, incoordination B12: #; MCV: " Cartner et al 70 20 yo F Difficulty moving B12: #; MCV: nl Cheng et al 71 22 yo F Progressive foot tingling and poor balance B12: #; MMA: "; MCV: nl Chiang et al 72 29 yo F Numbness, weakness, unsteady gait, skin hyperpigmentation B12: #; HCY: "; MCV: nl Diamond et al 73 31 yo M Paresthesias B12: #; HCY: "; MCV: nl Duque et al 74 20 yo F Paresthesias, difficulty walking B12: #; MMA: "; MCV: nl Durrani et al 75 79 19 yo M Limb numbness, gait instability B12: #; MCV: " Hu et al 80 16 yo F Numbness, sensory ataxia B12: #-nl; HCY: nl; MCV: " Huang et al 81 19 yo F Weakness, ataxia, inability to walk n/r Iwata et al 82 55 yo M AMS, gait problems B12: #; MCV: " Jones et al 83 18 yo F Numbness, weakness, foot drop B12: nl; MMA: nl Lai et al 84 24 yo F Numbness, paresthesias, weakness B12: # Layzer et al 29 86 35 yo F Paresthesias, difficulty walking B12: #-nl; MCV: nl; HCY: "; MMA: " Lin et al 87 41 yo M Paresthesias, Lhermitte's sign B12: #; MCV: "; Schill: nl Lin et al 88 : Case 1 24 yo M Numbness, weakness, unsteady gait B12: #; MCV: " Lin et al 88 : Case 2 18 yo F Tingling, numbness, weakness, unsteady gait B12: #-nl; HCY: ", MCV: "…”