Kikuchi-Fujimoto disease (KFD) is a rare, benign disorder that typically follows a selflimiting natural course and was initially described in young females of Asian descent. Its clinical presentation may mimic lymphoproliferative disorders, connective tissue disorders, and chronic infections. This often leads to misdiagnosis and inappropriate treatment. The exact cause of this condition remains unknown although autoimmune processes and certain infectious agents have been associated with the disease. The diagnosis of KFD is made histopathologically. Treatment is supportive and long-term follow-up is recommended due to increased risk of future development of systemic lupus erythematosus. Here we are presenting a case of a patient with an unusual presentation of KFD.
Records of fishes rare in Canada, and unusual occurrences of commoner ones, are pre' sented for 65 species. First Canadian records are given for the short-nosed sturgeon (Acipenser brevirostrum), halfbeak (Hyporhamphus unifasciatus), four spot flounder (Paralichthys oblongus), weakflsh (Cynoscion regalis) and striped sea robin (Prionotus evolvans). Specimens of unusually large size include a cunner (Tautogolabrus adspetsus) of 171{ inches and3/clb. and a redfish (Sebastes marinus) of 3114 inches and23lAlb.
NOTES ON SPECIES
Carcharodon carcharias (Linnaeus) WuIrr SnanxA specimen, 260 cm (81t ft) 1ong, was caught in a weir, operated by Mr Ellis
The opercular fold rn Salaeli.nus Jontinalis (Mitchill) begins as a bulging, outward and backward, of the undifferentiated dorsally-packed mesenchymal tissue of the hyoid arch in embryos of 6.0-6.5 mm total length. From 6.5 to 9.0 mm, backward growth takes place although no gill arches are covered. The epithelium of the opercular anlage is 2-to 3-layered laterally and 1-to 2-layered with smaller nuclei medially.From 9.0 to 14.0 mm, i.e. hatching, the membranous lateral opercular and ventral branchiostegal portions extend posteriorly to cover the four gill arches. Ossification commences in the opercle, the jaws and the pectoral girdle. The epithelium which has scattered goblet cells is 3to 4-layered antero-laterally, 1-to 2-layered postero-Iaterally and one cell in thickness medially.From 14.0 to 30.0 mm length ossification of the skeletal elements of the opercular apparatus takes place. The musculature of the operculum is complete at hatching.
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