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Difference between revisions of "Appendix of the epididymis"
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Appendix of the epididymis (view source)
Revision as of 06:57, 22 February 2015
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'''Appendix of the epididymis''' is a benign structure derived from the mesonephric duct. | [[Image:Gray1148.png|thumb|right|250px|Drawing showing the appendix of epididymis. (WC/Gray's Anatomy)]] | ||
'''Appendix of the epididymis''', also '''epididymal appendix''', is a benign structure thought to be derived from the mesonephric duct (or Wolffian duct).<ref name=pmid8886956/> | |||
It | It should not be confused with ''[[appendix of the testis]]''. | ||
==General== | |||
*Identifiable on ultrasound.<ref>{{Cite journal | last1 = Kantarci | first1 = F. | last2 = Ozer | first2 = H. | last3 = Adaletli | first3 = I. | last4 = Mihmanli | first4 = I. | title = Cystic appendix epididymis: a sonomorphologic study. | journal = Surg Radiol Anat | volume = 27 | issue = 6 | pages = 557-61 | month = Dec | year = 2005 | doi = 10.1007/s00276-005-0034-3 | PMID = 16195812 }}</ref> | |||
*Seen in approximately 20% of the population.<ref name=pmid8886956>{{Cite journal | last1 = Sahni | first1 = D. | last2 = Jit | first2 = I. | last3 = Joshi | first3 = K. | last4 = Sanjeev | first4 = . | title = Incidence and structure of the appendices of the testis and epididymis. | journal = J Anat | volume = 189 ( Pt 2) | issue = | pages = 341-8 | month = Oct | year = 1996 | doi = | PMID = 8886956 }}</ref> | |||
==Gross== | ==Gross== | ||
*Thin walled cyst. | Features:<ref name=pmid8886956/> | ||
*Thin walled cyst on head of the [[epididymis]]. | |||
*Typically on a stalk. | |||
==Microscopic== | ==Microscopic== | ||
| Line 11: | Line 17: | ||
*Dense collagen (wall). | *Dense collagen (wall). | ||
*Mesothelium (external aspect). | *Mesothelium (external aspect). | ||
===Images=== | |||
<gallery> | |||
Image: Appendix of epididymis -- very low mag.jpg | AE - very low mag. | |||
Image: Appendix of epididymis -- low mag.jpg | AE - low mag. | |||
Image: Appendix of epididymis -- intermed mag.jpg | AE - intermed. mag. | |||
Image: Appendix of epididymis -- high mag.jpg | AE - high mag. | |||
Image: Appendix of epididymis -- very high mag.jpg | AE - very hig mag. | |||
Image: Appendix of epididymis - a -- high mag.jpg | AE - high mag. | |||
Image: Appendix of epididymis - a -- very high mag.jpg | AE - very hig mag. | |||
Image: Appendix of epididymis - b -- very high mag.jpg | AE - very hig mag. | |||
</gallery> | |||
==See also== | ==See also== | ||