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41 Possible Causes for Decreased Patellar Tendon Reflex

  • Femoral Neuropathy

    The deep tendon reflex of the right knee also decreased. Circumferences measured 10 cm above the superior patellar border show notable difference.[ncbi.nlm.nih.gov]

  • Lumbar Radiculopathy

    patellar tendon reflex (knee jerk response) Weakness of the quadriceps muscle Pain in the area of the anterior leg (front of a leg) L5 Sensory loss in the dorsum (top) of[spineuniverse.com] […] each thigh) Pain in the area of the anterior thigh (front of a thigh) L4 Sensory loss of the anterior, lateral or medial foot (front, side or inside of a foot) Possible decreased[spineuniverse.com]

  • Tabes Dorsalis

    Tabes dorsalis , also known as syphilitic myelopathy , is a slow degeneration (specifically, demyelination ) of the neural tracts primarily in the dorsal columns (posterior columns) of the spinal cord (the portion closest to the back of the body) & dorsal roots. These nerves normally help maintain a person's sense of[…][en.wikipedia.org]

  • Cauda Equina Syndrome

    A 25-year old man presented with chronic low back pain for about 5 years due to mild congenital lumbar kyphosis (L1-L3 25 with congenital posterior wedge vertebra L2). Preoperative neurologic examination was normal. After posterior spinal fusion and instrumentation with moderate curve correction, the patient[…][ncbi.nlm.nih.gov]

  • Decreased Pain Sensation

    patellar tendon reflex (knee jerk response) Weakness of the quadriceps muscle Pain in the area of the anterior leg (front of a leg) L5 Sensory loss in the dorsum (top) of[spineuniverse.com] […] each thigh) Pain in the area of the anterior thigh (front of a thigh) L4 Sensory loss of the anterior, lateral or medial foot (front, side or inside of a foot) Possible decreased[spineuniverse.com]

  • Guillain-Barré Syndrome

    A 55year old woman in New York City presented in May 2016 with progressive weakness, ataxia, paresthesia, and areflexia, shortly after returning from the Dominican Republic. Lumbar puncture revealed cytoalbuminological dissociation. Due to her recent travel, Zika-associated Guillain Barré syndrome (GBS) was suspected[…][ncbi.nlm.nih.gov]

  • Diabetic Amyotrophy

    Diabetic amyotrophy is predominantly a motor condition that involves various elements of the lumbosacral plexus but particularly that related to the femoral nerve. (1,3) It can present acutely as unilateral thigh pain followed by the development of weakness and later wasting in the femoral muscles, usually first seen[…][ncbi.nlm.nih.gov]

  • Ilioinguinal Nerve Entrapment

    He had decreased sensation over the anterior medial aspect of his thigh. He also had a slightly decreased patellar tendon reflex.[pubs.sciepub.com]

  • Bilateral Leg Weakness

    patellar tendon reflex (knee jerk response) Weakness of the quadriceps muscle Pain in the area of the anterior leg (front of a leg) L5 Sensory loss in the dorsum (top) of[spineuniverse.com] Typically, weakness is accompanied by an increase in deep tendon reflexes such as the biceps, triceps, patellar or ankle jerks.[dartmouth.edu] […] each thigh) Pain in the area of the anterior thigh (front of a thigh) L4 Sensory loss of the anterior, lateral or medial foot (front, side or inside of a foot) Possible decreased[spineuniverse.com]

  • POEMS Syndrome

    Patellar tendon reflex was diminished bilaterally. Laboratory studies revealed a further decrease of hemoglobin to 56 g/L.[journals.lww.com]

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