Ovarian metastasis: Difference between revisions
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| Image = Adenocarcinoma_of_the_breast_metastatic_to_the_ovary_-_low_mag.jpg | | Image = Adenocarcinoma_of_the_breast_metastatic_to_the_ovary_-_low_mag.jpg | ||
| Width = | | Width = | ||
| Caption = Ovary with a metastasis from breast carcinoma. [[H&E stain]]. | | Caption = Ovary with a metastasis from breast carcinoma (left of image). [[H&E stain]]. | ||
| Synonyms = | | Synonyms = | ||
| Micro = predominantly surface involvement and nodular (especially at low power), +/-signet ring cells (suggestive of GI or breast primary), [[lymphovascular invasion]] | | Micro = predominantly surface involvement and nodular (especially at low power), +/-signet ring cells (suggestive of GI or breast primary), [[lymphovascular invasion]] | ||
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* [[Breast]]. | * [[Breast]]. | ||
* [[Gastrointestinal pathology|Gastrointestinal (GI) tract]]. | * [[Gastrointestinal pathology|Gastrointestinal (GI) tract]]. | ||
** Pseudomyxoma peritonei, usu. [[appendix|appendiceal]] origin. | ** [[Pseudomyxoma peritonei]], usu. [[appendix|appendiceal]] origin. | ||
** Krukenberg tumour = [[signet ring cell]] cancer with mucin production of GI origin. | ** Krukenberg tumour = [[signet ring cell]] cancer with mucin production of GI origin. | ||
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*Small unilateral tumour size. | *Small unilateral tumour size. | ||
**<10 cm suggests metastasis. | **<10 cm suggests metastasis. | ||
**>13 cm | **>13 cm suggests ovarian primary. | ||
==Microscopic== | ==Microscopic== | ||
Features: | Features: | ||
*Predominantly surface involvement and nodular at low power. | *Predominantly surface involvement and nodular at low power. | ||
*+/-[[Signet ring cell]]s (suggestive of GI or breast primary). | *+/-[[Signet ring cell]]s (suggestive of GI or breast primary). ‡ | ||
*[[Lymphovascular invasion]]. | *[[Lymphovascular invasion]]. | ||
Note: | |||
*‡ ''Primary [[signet ring cell carcinoma]] of the ovary'' exists but is very rare.<ref name=pmid21611142>{{Cite journal | last1 = El-Safadi | first1 = S. | last2 = Stahl | first2 = U. | last3 = Tinneberg | first3 = HR. | last4 = Hackethal | first4 = A. | last5 = Muenstedt | first5 = K. | title = Primary signet ring cell mucinous ovarian carcinoma: a case report and literature review. | journal = Case Rep Oncol | volume = 3 | issue = 3 | pages = 451-7 | month = Sep | year = 2010 | doi = 10.1159/000323003 | PMID = 21611142 }}</ref> | |||
===Images=== | ===Images=== | ||
====Breast carcinoma==== | ====Breast carcinoma==== | ||