Editing Inclusion body myositis (section)

===Classification===
* The common type is sIBM; it strikes individuals apparently at random.<ref>{{cite journal |vauthors=Karpati G, O'Ferrall EK | date = Jan 2009 | title = Sporadic inclusion body myositis: Pathogenic considerations| journal = Ann Neurol | volume = 65 | issue = 1| pages = 7–11 | doi=10.1002/ana.21622| pmid = 19194875 | s2cid = 41203262 }}</ref>
* There is a type that has been observed in multiple siblings in the same generation in several families, termed ''familial inflammatory sIBM'', but it is not passed on from generation to generation.<ref name="pmid16932602" />
* There are also several very rare forms of ''hereditary inclusion body myopathy'' (hIBM) that are linked to specific genetic defects and that are passed on from generation to generation, each inherited in different ways.<ref>{{cite journal |author1=Broccolini A. |author2=Mirabella M. | year = 2014 | title = Hereditary inclusion-body myopathies | journal = Biochim. Biophys. Acta | volume = 1852| issue = 4| pages = 644–650| doi = 10.1016/j.bbadis.2014.08.007 | pmid=25149037| doi-access = free }}</ref>