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255 Possible Causes for Absent Knee Reflex

  • Poliomyelitis

    On admission, the abdominal skin reflexes, knee jerks, cremaster and anal reflexes were absent and power in the lower extremities was reduced.[ncbi.nlm.nih.gov]

  • Stuve-Wiedemann Syndrome

    […] patellar reflexes Absent knee jerk reflex 0006844 Decreased corneal reflex 0008000 Ectopic thyroid Abnormal thryoid location 0100028 Hypothyroidism Underactive thyroid 0000821[rarediseases.info.nih.gov] Trismus 0000211 5%-29% of people have these symptoms Abnormality of the dentition Abnormal dentition Abnormal teeth Dental abnormalities Dental abnormality [ more ] 0000164 Absent[rarediseases.info.nih.gov]

  • Abetalipoproteinemia

    Motor exam showed normal tone and power in major muscle groups with absent knee reflexes. The Babinski sign was negative.[ojrd.biomedcentral.com]

  • Tabes Dorsalis

    The deep tendon reflexes are also diminished or absent; for example, the “knee jerk” or patellar reflex may be lacking ( Westphal’s sign ).[medical-institution.com] The deep tendon reflexes are also diminished or absent; for example, the "knee jerk" or patellar reflex may be lacking ( Westphal's sign ).[en.wikipedia.org] The deep tendon reflexes are also diminished or absent; for example, the "knee jerk" or patellar reflex may be lacking • A complication of tabes dorsalis can be transient[slideshare.net]

  • Tonic Pupil

    These can include: headache facial pain blurry vision poor accommodation Most people with a tonic pupil commonly have absent or poor reflexes particularly in the knee joint[drbishop.com] , especially the knee and ankle reflexes, may be diminished or absent. 1 Unilateral or bilateral Adie’s pupil is rare in childhood.[healio.com] […] the knee and ankle is often helpful to diagnose Adie’s syndrome, in which these reflexes are markedly diminished or absent. 1,20 Due to denervation hypersensitivity of the[reviewofoptometry.com]

  • Diabetic Peripheral Neuropathy

    Ankle reflexes are usually reduced or absent, and knee reflexes may also be reduced in some cases.[clinical.diabetesjournals.org] Ankle and knee reflexes were absent or diminished in 28.2% (n   95) and 11.6% (n   39) of patients respectively.[dmsjournal.biomedcentral.com]

  • Lumbosacral Plexus Disorder

    There is an absent or reduced knee jerk reflex, although ankle jerks are commonly preserved.[patient.info] […] mid-thigh Hip flexors L3 Distal anterior thigh Hip flexors and knee extensors Diminished or absent patellar reflex L4 Medial lower leg/foot Knee extensors and ankle dorsiflexors[physio-pedia.com] Diminished or absent patellar reflex L5 Lateral leg/foot Hallux extension and ankle plantar flexors Diminished or absent achilles reflex S1 Lateral side of foot Ankle plantar[physio-pedia.com]

  • Diabetic Polyneuropathy

    Ankle reflexes are usually reduced or absent, and knee reflexes may also be reduced in some cases.[clinical.diabetesjournals.org]

  • Chronic Inflammatory Demyelinating Polyneuropathy

    Knee and ankle jerk reflexes were absent. No abnormalities involving the cranial nerves were found.[omicsonline.org]

  • Charcot Marie Tooth Disease

    In order to identify sensory loss the neurologist will test for deep tendon reflexes, such as the knee jerk, which are reduced or absent in CMT.[crystalinks.com] On neurological examination, deep tendon reflexes (DTR's) are markedly diminished or absent.[medicine.yale.edu] Very early on in the disease, the DTR's will disappear in the ankles and knees first, and then in the arms.[medicine.yale.edu]

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