Difference between revisions of "Appendix of the epididymis"

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'''Appendix of the epididymis''', also '''epididymal appendix''', is a benign structure thought to be derived from the mesonephric duct.<ref name=pmid8886956/>
'''Appendix of the epididymis''', also '''epididymal appendix''', is a benign structure thought to be derived from the mesonephric duct.<ref name=pmid8886956/>


It should not be confused with ''[[appendix of the testis]]''.
==General==
==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>  
*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>  

Revision as of 05:11, 30 October 2014

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.[1]

It should not be confused with appendix of the testis.

General

  • Identifiable on ultrasound.[2]
  • Seen in approximately 20% of the population.[1]

Gross

Features:[1]

  • Thin walled cyst on head of the epididymis.
  • Typically on a stalk.

Microscopic

Features:[1]

  • Cyst lined by pseudostratified cilitated epithelium.
  • Dense collagen (wall).
  • Mesothelium (external aspect).

See also

References

  1. 1.0 1.1 1.2 1.3 Sahni, D.; Jit, I.; Joshi, K.; Sanjeev, . (Oct 1996). "Incidence and structure of the appendices of the testis and epididymis.". J Anat 189 ( Pt 2): 341-8. PMID 8886956.
  2. Kantarci, F.; Ozer, H.; Adaletli, I.; Mihmanli, I. (Dec 2005). "Cystic appendix epididymis: a sonomorphologic study.". Surg Radiol Anat 27 (6): 557-61. doi:10.1007/s00276-005-0034-3. PMID 16195812.

External links