Endosalpingiosis

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Endosalpingiosis
Diagnosis in short

Endosalpingiosis. H&E stain.
LM cystic lesion with ciliated epithelium surrounded by fibrous stroma, psammoma bodies
LM DDx endometriosis, serous carcinoma, papillary carcinoma, peritoneal inclusion cyst
Clinical history may be associated with endometriosis; incidental finding
Prognosis benign

Endosalpingiosis is a benign entity that can be confused for cancer.

General

  • Benign entity that may lead to a misdiagnosis of adenocarcinoma[1] or serous carcinoma.
  • The clinical significance of endosalpingiosis is not definitively settled; opinions differ on whether it is:
    1. associated with pelvic pain,[2] or
    2. an incidental finding discovered in the course of investigating something else (pelvic pain, menstrual irregularities, infertility).[3]

Microscopic

Features:[4]

  • Cystic lesions with:
    • Ciliated (tubal type) epithelium, without endometrial stroma.
      • Endosalpingiosis is surrounded by fibrous stroma; tubal type epithelial surrounded by ovarian stroma is a variant of endometriosis.
  • Associated with psammoma bodies.[5]

DDx:[6]

Notes:

  1. Not associated with hemorrhage.[7]
  2. In a lymph node, endosalpingiosis may be misinterpreted as a metastasis![8]

Images

  • Endosalpingiosis - low mag. (WC/Nephron)

  • Endosalpingiosis - high mag. (WC/Nephron)

  • Endosalpingiosis - very high mag. (WC/Nephron)

  • Endosalpingiosis in a LN - intermed. mag. (WC/Nephron)

  • Endosalpingiosis in a LN - very high mag. (WC/Nephron)

Sign out

OVARIAN FOSSA, RIGHT, BIOPSY:
- ENDOMETRIOSIS.
- ENDOSALPINGIOSIS.
- FIBROADIPOSE TISSUE PARTIALLY COVERED BY MESOTHELIUM.

See also

References

  1. ↑ Lin O (May 2009). "Challenges in the interpretation of peritoneal cytologic specimens". Arch. Pathol. Lab. Med. 133 (5): 739–42. PMID 19415948.
  2. ↑ deHoop, TA.; Mira, J.; Thomas, MA. (Oct 1997). "Endosalpingiosis and chronic pelvic pain.". J Reprod Med 42 (10): 613-6. PMID 9350013.
  3. ↑ Heinig, J.; Gottschalk, I.; Cirkel, U.; Diallo, R. (Jun 2002). "Endosalpingiosis-an underestimated cause of chronic pelvic pain or an accidental finding? A retrospective study of 16 cases.". Eur J Obstet Gynecol Reprod Biol 103 (1): 75-8. PMID 12039470.
  4. ↑ URL: http://radiographics.rsna.org/content/29/2/347.full. Accessed on: 27 May 2010.
  5. ↑ Hallman KB, Nahhas WA, Connelly PJ (September 1991). "Endosalpingiosis as a source of psammoma bodies in a Papanicolaou smear. A case report". J Reprod Med 36 (9): 675–8. PMID 1774734.
  6. ↑ Rosenberg, P.; Nappi, L.; Santoro, A.; Bufo, P.; Greco, P. (Mar 2011). "Pelvic mass-like florid cystic endosalpingiosis of the uterus: a case report and a review of literature.". Arch Gynecol Obstet 283 (3): 519-23. doi:10.1007/s00404-010-1700-1. PMID 20931212.
  7. ↑ URL: http://radiographics.rsna.org/content/29/2/347.full. Accessed on: 27 May 2010.
  8. ↑ Corben, AD.; Nehhozina, T.; Garg, K.; Vallejo, CE.; Brogi, E. (Aug 2010). "Endosalpingiosis in axillary lymph nodes: a possible pitfall in the staging of patients with breast carcinoma.". Am J Surg Pathol 34 (8): 1211-6. doi:10.1097/PAS.0b013e3181e5e03e. PMID 20631604.
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