Harderian Gland - Cyst
comment:Harderian gland cysts are large, widely distended, single to multiloculated spaces ( Figure 1 and Figure 2 ) lined by flattened epithelium and filled with variable amounts of pale amorphous secretory material. Typically, cysts have greater diameter than dilated gland alveoli. Harderian gland cysts are uncommon.
recommendation:Harderian gland cysts should be diagnosed as present (without assignment of a severity grade). Secondary inflammation should not be diagnosed separately (unless warranted by severity).
Botts S, Jokinen M, Gaillard ET, Elwell MR, Mann PC. 1999. Salivary, Harderian, and lacrimal glands. In: Pathology of the Mouse: Reference and Atlas (Maronpot RR, Boorman GA, Gaul BW, eds). Cache River Press, Vienna, IL, 49-79. Abstract: http://www.cacheriverpress.com/books/pathmouse.htm
National Toxicology Program. 1983. NTP TR-244. Toxicology and Carcinogenesis Studies of a Polybrominated Biphenyl Mixture (Firemaster FF-1) in F344/N Rats and B6C3F1 Mice (Gavage Studies). NTP, Research Triangle Park, NC. Abstract: https://ntp.niehs.nih.gov/go/7095
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