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File:IPLab5Gout8.jpg|This is a gross photograph of a tophus on the great toe of another patient with gout (arrow). The healed surgical incision and the size of this tophus indicate that this was a long-standing problem for this patient.
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== Virtual Microscopy ==
<peir-vm>IPLab5Gout</peir-vm>
== Study Questions ==
* <spoiler text="What are the two types of gout and which is more common?">The main type is primary gout which makes up 90% of all cases. In most cases of primary gout the specific enzyme defect is unknownbut there is some enzyme abnormality which leads to hyperuricemia and symptoms of gout. In rare cases the specific enzyme defect is known, but gout symptomatology is the main clinical finding.
In secondary gout the cause of the hyperuricemia is known (e.g. leukemia, renal failure, Lesch-Nyhan syndrome).</spoiler>
* Harris MD, Siegel LB, Alloway JA. [http://www.ncbi.nlm.nih.gov/pubmed/10068714 Gout and hyperuricemia]. ''Am Fam Physician'' 1999 Feb 15;59(4):925-34.
* Pittman JR, Bross MH. [http://www.ncbi.nlm.nih.gov/pubmed/10208700 Diagnosis and management of gout]. ''Am Fam Physician'' 1999 Apr 1;59(7):1799-806, 1810.
* Qaseem A, Harris RP, Forciea MA. [http://annals.org/aim/article/2578528/management-acute-recurrent-gout-clinical-practice-guideline-from-american-college Management of Acute and Recurrent Gout]. ''Ann Intern Med'' 2016 Nov 1 10;7326/M16-0570.
=== Images ===
* [http://peir.path.uab.edu{{SERVER}}/library/index.php?/tags/784-gout PEIR Digital Library: Gout Images]
== Related IPLab Cases ==