LXXVII. Laryngeal Phlegmon

Can Pancreatic Phlegmon be Diagnosed?

Fan, S-t., Choi, T-k., Chan, F-I., Lai, E.C.S. and Wong, J. (1989) Pancreatic Phlegmon: What Is It? The American Journal of Surgery, 157 544-547 In a retrospective study of 264 patients with acute pancreatitis, 22 were identified as having phlegmon by combined radiologic and clinical criteria. The radiologic criteria consisted of demonstration of abnormal lesion on computed tomography scan whic...

Lxxvii. the Unsaponifiable Fraction of Liver

Lxxvii. the Chemistry of Amino-acid Deamination

THE final phase of amino-acid metabolism, involving the removal of nitrogen from the amino-group and the production of urea, is generally regarded as involving two distinct processes: (1) deamination, with the liberation of ammonia, (2) dehydration of ammonium carbonate, with formation of urea. The change being represented as: R. CH(NH2) . COOH NH3 (NH4C03CON2H4 Now, while there is no doubt as ...

Retropharyngeal Calcific Tendinitis Mimicking a Retropharyngeal Phlegmon

Background. Acute retropharyngeal tendinitis is a little known but not an uncommon condition. It was first described by Hartley in 1964 as an inflammation of the longus colli muscle secondary to calcium crystals deposition on its insertion. The calcifications are mostly located on the oblique portion of the muscle at the level of C1-C2. Methods. We will describe this disease through 4 cases tha...

Extensive phlegmon and pyoderma gangrenosum: diagnostic difficulties

Pyoderma gangrenosum (PG) is a relatively rare neutrophilic dermatosis, characterized by progressive skin necrosis. It typically has a chronic course, of unknown etiology. Pyoderma gangrenosum diagnosis can be difficult because both histopathological examination and results of additional laboratory tests are not specific and the clinical state is conclusive, as for other physicians it poses a n...