Cases reported "Edema"

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1/8. Transient oedema of the cervical spinal cord.

    Transient but very intense oedema of the cervical spinal cord was observed in two patients with obstruction of the cerebrospinal fluid (CSF) pathways. Both presented with hydrocephalus, one due to an infratentorial obstructing mass and the other due to postmeningitic adhesive obstruction of the outlet foramina of the fourth ventricle. In animal experiments with obstruction of CSF pathways (due to outlet foramina obstruction or to downward tentorial herniation) flattening and stretching of the ependymal cells along the central canal is observed, followed by disruption and splitting of the ependymal lining and then by extracellular oedema of the subependymal tissue. Without treatment, frank cavity formation develops in a fourth stage. In our two patients, however, most probably because of appropriate decompressive therapy, the oedema disappeared completely without a residual spinal cord lesion.
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2/8. Irukandji-like syndrome in South florida divers.

    Irukandji syndrome is a constellation of delayed severe local and systemic symptoms occurring after a Carukia barnesi box jellyfish sting involving any exposed skin. These cases are limited to australia, the habitat of that animal. Numerous other cases of an Irukandji-like syndrome after other small Carybdeid genus envenomations have been reported elsewhere in the world. There have yet been no reports of Irukandji-like syndrome occurring in continental US coastal waters. We describe 3 cases of marine envenomation causing such a symptom complex in US military combat divers off Key West, FL. It is unclear what species caused the injuries, but a member of the Carybdeid genus seems most likely.
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3/8. Tympanic electrocochleography: normal and abnormal patterns of response.

    Electrocochleography has been widely used in human and animal studies of endolymphatic hydrops. A variety of response patterns have been reported in normal and hydropic ears. Recent clinical studies have focused almost exclusively on the amplitude ratio of the summating potential (SP) and action potential (AP) derived from alternating polarity click responses. In this report normal response patterns are described with a tympanic membrane electrode employing condensation, rarefaction and alternating polarity clicks and tone burst stimulation. A variety of response abnormalities are described in patients with suspected endolymphatic hydrops. The exclusive use of alternating polarity clicks is not adequate to reveal the nature of these abnormalities.
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4/8. Histopathology of commotio retinae.

    The pathogenesis of commotio retinae in animal models has included extracellular edema, intracellular edema, and photoreceptor outer segment disruption. Histopathologic findings obtained within 24 hours of blunt trauma in a human eye with clinically-observed commotio retinae revealed photoreceptor outer segment disruption and damage to the retinal pigment epithelium. The major site of injury in commotio retinae seems to be at the level of the photoreceptor outer segment-retinal pigment epithelium junction.
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5/8. Envenoming by the viperid snake Eristicophis macmahonii.

    Little is known about the effects of bites by the rare viperid snake Eristicophis macmahonii. A 31-year-old Belgian man, who keeps these animals as a hobby, was bitten on a finger by one of his pets while trying to give it some medicine. The patient developed syncope, followed by a sudden extensive skin rash and massive edema of the arm. He recovered completely, except for a small area of limited tissue necrosis on the bitten finger.
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6/8. Liquid propane cold injury: a clinicopathologic and experimental study.

    A case of liquid propane cold injury is described. This injury was produced by evaporative heat loss, without ignition, from skin and underlying tissues. The cutaneous appearance was that of a flame burn but underlying deep tissue damage was present. Acute vascular compromise and progressive wound sepsis were complications which required surgical intervention. A liquid propane animal model was created which defined the pathophysiology of the clinical injury. The potential for this injury exists wherever volatile liquified gases are used.
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7/8. Conventional and human insulin: complications of insulin therapy in children.

    The management of complications of insulin therapy, such as lipoatrophy, allergic reactions, insulin resistance, and insulin edema, is outlined. Human and animal insulin preparations currently available in the united states are discussed, highlighting the comparative costs and indications for use.
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8/8. hypersensitivity to rat saliva.

    A patient who rapidly developed impressive local edema around a rat bite site is described. An interesting differential diagnosis was presented since the offending rat was experiencing an opiate withdrawal syndrome. A discussion of the possibilities of animal product allergy, local infection, and edema produced by opiate histamine releasers was considered.
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