PubMed · 926174
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D Blakey. 1977. Cat-scratch diseases.. https://pubmed.ncbi.nlm.nih.gov/926174/
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BACKGROUND: Leber's idiopathic stellate neuroretinitis (LISN) is a relatively uncommon clinical entity that is characterized by optic disc oedema and associated macular hard exudates. A broad range of causes can produce such a fundus appearance. METHODS: The clinical experience of the authors is combined with a review of the pertinent literature to describe the features of LISN and its differential diagnosis. CONCLUSION: A knowledge of the potential causes of neuroretinitis is important in order to formulate an effective management strategy.
Status epilepticus from cat-scratch encephalopathy is often recalcitrant to usual therapies, causing treatment to focus on critical care management of the patient that may require aggressive interventions, such as continuous pentobarbital administration. We describe two children whose initial clinical presentation of cat-scratch disease was status epilepticus with normal cerebrospinal fluid studies. A history of cat exposure (specifically, kitten and/or fleas), regional lymphadenopathy, and a papule or inoculation site should be sought, but are not essential for diagnosis. The presumptive diagnosis of cat-scratch disease can be made by serology alone even in the absence of classic diagnostic criteria. Our two cases and other reports in the literature show a favorable prognosis in most cases, despite the occurrence of status epilepticus. The diagnosis of cat-scratch disease should be strongly considered in all children with unexplained status epilepticus or encephalopathy and serologic testing for Bartonella henselae should be done.
Acquired peripheral facial nerve paralysis is a relatively common disorder that affects both children and adults. The most frequent nontrauma-related etiologies in otherwise neurologically intact patients are idiopathic (Bell's palsy) and infectious, which includes otitis media, herpes zoster, Lyme disease, herpes simplex virus, Epstein-Barr virus, and Mycoplasma pneumoniae. Cat scratch disease (CSD) is typically a subacute, regional lymphadenitis caused by Bartonella henselae that is seen in children and young adults. CSD most often has a benign, self-limited course. However, 11% of CSD patients may present atypically, most commonly with Perinaud's oculoglandular syndrome or acute encephalopathy. We present a child with the first reported case of acute facial nerve paralysis in serologically proven CSD with typical lymphadenitis.