Difference between revisions of "Appendix of the epididymis"

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'''Appendix of the epididymis''' is a benign structure derived from the mesonephric duct.
'''Appendix of the epididymis''' is a benign structure derived from the mesonephric duct.


It is often perceived as a cystic structure. It 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> and 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>
==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.
*Thin walled cyst - associated with epididymis.


==Microscopic==
==Microscopic==

Revision as of 22:30, 29 October 2014

Appendix of the epididymis is a benign structure derived from the mesonephric duct.

General

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

Gross

  • Thin walled cyst - associated with epididymis.

Microscopic

Features:[2]

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

See also

References

  1. 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.
  2. 2.0 2.1 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.

External links