EIN (Endometrial Intraepithelial Neoplasia) and Ambiguous Premalignant

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EIN (Endometrial Intraepithelial Neoplasia)
and Ambiguous Premalignant Endometrial
Lesions
New England Pathology
Society Residents MeetingMay 16, 2005 Brigham
and Womens Hospital George L. Mutter,
MD Brigham Womens Hospital Harvard Medical
School, Boston, MA
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CASE 1 History 51 year old with bleeding
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CASE 2 History 46 year old woman with
irregular cycles and bleeding
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Case 3 49 year old woman with uterine
bleeding. EMC
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Case 4 47 year old woman with EMC
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CASE 5 History Hysterectomy in a 56 year old
women
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CASE 6 History 47 year old with irregular
bleeding. 9mm endometrial stripe on ultrasound.
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1 mm
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CASE 7 History 48 year old with menorrhagia
and endometrial hyperplasia on prior biopsy.
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CASE 8 History Irregular bleeding with
intrauterine filling defect on ultrasound.
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CASE 9 History 59 year old with bleeding
since polypectomy 3 months ago. DC.
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CASE 10 History 62 year old for endometrial
biopsy
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CASE 11 History Menorrhagia in 54 year old.
Endometrial biopsy.
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CASE 12 History 52 year old with perimenopausal
bleeding. Irregular menses for 4 months. Large
endocervical polyp on exam. Pipelle biopsy.
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