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15 paź 2019 · Segmental dissociated sensory loss involves loss of pain and temperature sensation but preserves touch and vibratory sense, often manifesting in an upper limb "cape-like" distribution. Lack of pain perception may lead to injuries and chronic skin ulcerations on the hands.
It may also lead to a cape-like bilateral loss of pain and temperature sensation along the upper chest and arms. The combination of symptoms varies from one patient to another depending on the location of the syrinx within the spinal cord, as well as its extent.
1 wrz 2020 · Affected individuals may first notice a loss of feeling for pain and temperature in their fingers, hands, arms, and upper chest. In the early stages, a sense of touch is still present. A loss of feeling may spread over the shoulders and back, described as a “cape-like” distribution.
5 gru 2001 · The dissociated sensory loss is commonly first observed along the ulnar border of the hand and forearm, extending to the arm, upper part of the chest and back in a cape or half-cape distribution, uni- or bilaterally, and in the face following an “onionskin” distribution.
Key points. Syringomyelia is a disorder of CSF circulation. Regular, systolic arterial energy waves cause syrinx cavities to fill; venous pressure waves cause the pressure dissociation headaches typical of Chiari. Distinguish between a chronic hindbrain hernia and an acute tonsillar pressure cone.
Symptoms. Highly variable presentation with a slowly progressive course, often over years. The characteristic findings include: Sensory loss in a "cape" distribution (over the tops of the shoulders); loss of pain and temperature sensation with preserved touch and position sense. Cervical and occipital pain, extremity pain.
22 sie 2019 · The classic cape-like distribution is uncommon in clinical practice; more usual is a non-dermatomal asymmetric sensory loss that may involve the trunk and/or limbs. The underlying etiology of syringomyelia will also have a bearing on clinical presentation, for example, Chiari-associated syringomyelia will often be accompanied by paroxysmal ...
