An Additional Contribution to the Symptomatology of Epidemic Encephalitis

Use of the phrase ‘pyramidal weakness’ within the past 100 years

“… 6 7 Variation in the use of the term was observed in the context of unilateral weakness in encephalitis in 1922, with a reference to ‘pyramidal weakness of the left side of the body’ ( figure 3 ). 26 The term was used in a general manner to indicate UMN disturbance, without mention of weakness in upper limb extensors and lower limb flexors. 26 In patients with spinal cord compression, authors have employed the phrase in a general sense to mean weakness in the ‘lower extremities and partially in upper extremities’, varying from its current format of use.…”

“… 26 The term was used in a general manner to indicate UMN disturbance, without mention of weakness in upper limb extensors and lower limb flexors. 26 In patients with spinal cord compression, authors have employed the phrase in a general sense to mean weakness in the ‘lower extremities and partially in upper extremities’, varying from its current format of use. 2 Similar variation in the use of the phrase pyramidal weakness is observed in the setting of multiple sclerosis, meningitis, stroke and brain or spinal cord lesions.…”

Use of the phrase ‘pyramidal weakness’ within the past 100 years

“… 6 7 Variation in the use of the term was observed in the context of unilateral weakness in encephalitis in 1922, with a reference to ‘pyramidal weakness of the left side of the body’ ( figure 3 ). 26 The term was used in a general manner to indicate UMN disturbance, without mention of weakness in upper limb extensors and lower limb flexors. 26 In patients with spinal cord compression, authors have employed the phrase in a general sense to mean weakness in the ‘lower extremities and partially in upper extremities’, varying from its current format of use.…”

“… 26 The term was used in a general manner to indicate UMN disturbance, without mention of weakness in upper limb extensors and lower limb flexors. 26 In patients with spinal cord compression, authors have employed the phrase in a general sense to mean weakness in the ‘lower extremities and partially in upper extremities’, varying from its current format of use. 2 Similar variation in the use of the phrase pyramidal weakness is observed in the setting of multiple sclerosis, meningitis, stroke and brain or spinal cord lesions.…”

Use of the phrase ‘pyramidal weakness’ within the past 100 years

“… 6 7 Variation in the use of the term was observed in the context of unilateral weakness in encephalitis in 1922, with a reference to ‘pyramidal weakness of the left side of the body’ ( figure 3 ). 26 The term was used in a general manner to indicate UMN disturbance, without mention of weakness in upper limb extensors and lower limb flexors. 26 In patients with spinal cord compression, authors have employed the phrase in a general sense to mean weakness in the ‘lower extremities and partially in upper extremities’, varying from its current format of use.…”

“… 26 The term was used in a general manner to indicate UMN disturbance, without mention of weakness in upper limb extensors and lower limb flexors. 26 In patients with spinal cord compression, authors have employed the phrase in a general sense to mean weakness in the ‘lower extremities and partially in upper extremities’, varying from its current format of use. 2 Similar variation in the use of the phrase pyramidal weakness is observed in the setting of multiple sclerosis, meningitis, stroke and brain or spinal cord lesions.…”

Use of the phrase ‘pyramidal weakness’ within the past 100 years

“… 6 7 Variation in the use of the term was observed in the context of unilateral weakness in encephalitis in 1922, with a reference to ‘pyramidal weakness of the left side of the body’ ( figure 3 ). 26 The term was used in a general manner to indicate UMN disturbance, without mention of weakness in upper limb extensors and lower limb flexors. 26 In patients with spinal cord compression, authors have employed the phrase in a general sense to mean weakness in the ‘lower extremities and partially in upper extremities’, varying from its current format of use.…”

“… 26 The term was used in a general manner to indicate UMN disturbance, without mention of weakness in upper limb extensors and lower limb flexors. 26 In patients with spinal cord compression, authors have employed the phrase in a general sense to mean weakness in the ‘lower extremities and partially in upper extremities’, varying from its current format of use. 2 Similar variation in the use of the phrase pyramidal weakness is observed in the setting of multiple sclerosis, meningitis, stroke and brain or spinal cord lesions.…”