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09-13-2012, 01:23 PM
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#1
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Senior Member
Join Date: Jan 2012
Posts: 362
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What's the difference between HER2 and HER3
I asked my oncologist if I was HER2 or HER3 and she said I was HER2 and that there is no clinical diagnosis for HER3. Hmmmmm. Really?
What is the difference? What determines if you are HER2 or HER3...is it the FISH test?
__________________
DX 10/2011
PET Scan + MRI 10/2011
Lumpectomy 11/11/11
Stage 2B +++ ER+(10%), PR+(5%), HER2+++(1 positive node, 1 micromets to second node)
AC started 12/2011 ended 1/2012
Taxol + Herceptin weekly for 12 weeks ended 4/2012
30 zaps of radiation done 6/2012
Tamoxifen 6/2012
every 3 weeks of Herceptin for another year.
Metformin Trial 8/12
10/12 MRI- CLEAR
01/13 BRAIN MRI- CLEAR!
01/13 Neck MRI- CLEAR!
FINISHED HERCEPTIN 1/9/2013...Woot Woot
Starting Walter Reed Vaccine Trial 2/13
CT Scans + ultrasound of abdomen CLEAR-5/13
02/2015 through 11/2015 emergency D&Cs for Tamoxifen induced uterine polyps which caused uncontrollable hemorrhaging
12/2015 blood clot to left leg caused by Tamoxifen. No longer taking it. On Xarelto, a blood thinner
12/2015 Ablation to prevent hemorrhaging from potential issues with Tamoxifen residue in my system
1/2016 continuing journey without hormonal therapy. Reevaluating the option of a hysterectomy and oopherectomy.
4/1/2018 2mm stroke. Yes, stroke! No cause ever found but they believe it was a migraine that went bonkers and created a tiny clot. No deficits. I was back to normal with 24hrs. Now on baby aspirin for life.
7/27/2018 hysterectomy and oopherectomy
01/07/2019 Mastectomy and expanders put in
3/22/2019 Vtach, almost died. Cause unknown.
7/22/2019 New perky boobs put in
7/21/2020 Off of all drugs but a baby aspirin because of the stroke in 2018.
www.mychemobag.org
www.facebook.com/mychemobag
8 YEARS NED
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09-14-2012, 09:53 AM
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#2
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Senior Member
Join Date: Jan 2010
Location: Wisconsin
Posts: 80
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Re: What's the difference between HER2 and HER3
Hi there! There is not Her3. Her2 can be amplified up to 3x - so for example, I am Her2+++ which means highly positive and would be a Grade 3. I hope that makes sense. Some people are Her2+, Her2++ and Her2+++, it just all depends on the results of the bloodwork.
__________________
Sandra from WI
Stage 1, Tumor 1.4 cm, Grade 3, ER-/PR-/HER2+++
Poorly Differentiated IDC with comedo type necrosis with DCIS/ALH :(
Mammogram: 11/12/09
Call Back Mammo: 11/17/09
Biopsy: 11/25/09
Diagnosis Call: 12/2/09
Partial MX: 12/16/09. 3 LN clean.
6 Cycles Chemo (TCH) Jan-April/10; Herceptin all of 2010; 33 Rads complete 7/10. Herceptin done 12/10.
FOLLOW UPS:
Bil mammo, and Breast MRI 12/10 - CLEAN! (after a second lump was biopsied and BENIGN - showed giant cell reaction?).
Bil mammo 6/11 - CLEAN!
Left mammo 12/11 - CLEAN!
PET/CT scan 4/6/12 - CLEAN!
Bil mammo 8/12 - CLEAN!
November 2012 - Gallbladder Removed.
Bil MRI 2/13 - CLEAN!
http://www.caringbridge.org/visit/sandragreen
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09-14-2012, 10:21 AM
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#3
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Senior Member
Join Date: Jun 2011
Location: Somerset, NJ
Posts: 487
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Re: What's the difference between HER2 and HER3
The fast answer is "they're not quite there yet." Genentech has some information about HER3 (and HER4) here:
http://www.biooncology.com/research-...er3/index.html
__________________
2/6/09 Core needle biopsy: negative; Mammos through 2010: no change
3/30/11 Pea-sized lump in left breast at site of prior biopsy; mammo negative, sonogram not so much
4/14/11 Core needle biopsy: negative for cancer
5/18/11 Excisional biopsy 1.2 cm tumor, LVI, positive margin; ER+60%,PR+20%,HER2/CEP17 5
6/15/11 BMX: Left DCIS & LH; Right ADH; SNB: 2/3 nodes: 1.4 cm and 1 mm; ALND L1&2: 0/10; Stage IIa, Grade 3
7/14/11 CT/Bone scans NED; MUGA 66%
7/19/11 Biweekly dd AC w/Neulasta; done 8/30/11
9/13/11 Transfusion (Hemoglobin 8.6); MUGA 64%
9/20/11 Start Taxol + Herceptin; Taxol done 12/6/2011; continue Herceptin until 9/4/2012
12/27/11 Radiation - 6 weeks; 2/27/2012 - DONE! Yayyyy!
2/29/12 Start Tamoxifen 20 mg/day; continue until 2/28/17
5/16/12 Start five-years Metformin trial
6/19/12 MUGA 61%
8/21/12 Brain MRI NED (head still hurts, brain still fogged)
9/4/12 Herceptin done!
9/6/12 Port out!
7/11/13 Aricept 5mg for cognitive impairment; increased to 10mg as of 8/23/13; back to 5mg 12/2013
5/2014 Add Namenda 7mg
9/2014 Stop Aricept and Namenda; Neuropsychological evaluation
10/24/14 Start cognitive rehabilitation therapy
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09-14-2012, 06:51 PM
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#4
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Senior Member
Join Date: Oct 2005
Posts: 3,519
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Re: What's the difference between HER2 and HER3
As rhondalea said, that pathway (her3) is still under a lot of research and not ready for primetime. Lots of people have been working on it, and we've heard Dr. Osbourne talk about researching it at SABCS...
__________________
Brenda
NOV 2012 - 9 yr anniversary
JULY 2012 - 7 yr anniversary stage IV (of 50...)
Nov'03~ dX stage 2B
Dec'03~ Rt side mastectomy, Her2+, ER/PR+, 10 nodes out, one node positive
Jan'04~ Taxotere/Adria/Cytoxan x 6, NED, no Rads, Tamox. 1 year, Arimadex 3 mo., NED 14 mo.
Sept'05~ micro mets lungs/chest nodes/underarm node, Switched to Aromasin, T/C/H x 7, NED 6 months - Herceptin only
Aug'06~ micro mets chest nodes, & bone spot @ C3 neck, Added Taxol to Herceptin
Feb'07~ Genetic testing, BRCA 1&2 neg
Apr'07~ MRI - two 9mm brain mets & 5 punctates, new left chest met, & small increase of bone spot C3 neck, Stopped Aromasin
May'07~ Started Tykerb/Xeloda, no WBR for now
June'07~ MRI - stable brain mets, no new mets, 9mm spots less enhanced, CA15.3 down 45.5 to 9.3 in 10 wks, Ty/Xel working magic!
Aug'07~ MRI - brain mets shrunk half, NO NEW BRAIN METS!!, TMs stable @ 9.2
Oct'07~ PET/CT & MRI show NED
Apr'08~ scans still show NED in the head, small bone spot on right iliac crest (rear pelvic bone)
Sept'08~ MRI shows activity in brain mets, completed 5 fractions/5 consecutive days of IMRT to zap the pesky buggers
Oct'08~ dropped Xeloda, switched to tri-weekly Herceptin in combo with Tykerb, extend to tri-monthly Zometa infusion
Dec'08~ Brain MRI- 4 spots reduced to punctate size, large spot shrunk by 3mm, CT of torso clear/pelvis spot stable
June'09~ new 3-4mm left cerrebellar spot zapped with IMRT targeted rads
Sept'09~ new 6mm & 1 cm spots in pituitary/optic chiasm area. Rx= 25 days of 3D conformal fractionated targeted IMRT to the tumors.
Oct'09~ 25 days of low dose 3D conformal fractionated targeted IMRT to the bone mets spot on rt. iliac crest that have been watching for 2 years. Added daily Aromasin back into treatment regimen.
Apr'10~ Brain MRI clear! But, see new small spot on adrenal gland. Change from Aromasin back to Tamoxifen.
June'10~ Tumor markers (CA15.3) dropped from 37 to 23 after one month on Tamoxifen. Continue to monitor adrenal gland spot. Remain on Tykerb/Herceptin/Tamoxifen.
Nov'10~ Radiate positive mediastinal node that was pressing on recurrent laryngeal nerve, causing paralyzed larynx and a funny voice.
Jan'11~ MRI shows possible activity or perhaps just scar tissue/necrotic increase on 3 previously treated brain spots and a pituitary spot. 5 days of IMRT on 4 spots.
Feb'11~ Enrolled in T-DM1 EAP in Denver, first treatment March 25, 2011.
Mar'11~ Finally started T-DM1 EAP in Denver at Rocky Mountain Cancer Center/Rose on Mar. 25... hallelujah.
"I would rather be anecdotally alive than statistically dead."
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09-14-2012, 09:51 PM
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#5
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Senior Member
Join Date: Sep 2005
Location: Central Coast, CA
Posts: 3,207
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Re: What's the difference between HER2 and HER3
Her2
Is part of a family of growth factors which send signals to the call to grow. In her2positive cancer, the cancer cells basically have too many copies of the Her2.
There are 4 members of the family - Her 1,2,3 and 4. So Her2 is a relative of Her3. Like all families, they talk to each other. It's not fully known how communication within that family works, and which relationships are most important in terms of cancer growth, but there is much research going on in this area.
The talks Brenda references by Dr Osborne are built on research that, in test tubes and mice anyway, blocking ALL the growth pathways ( including the Her family as well as some other known pathways) would effectively shut down the cancer. Hurry up on that one, please!
__________________
Chris in Scotts Valley
June 2002 extensive hi grade DCIS (pre-cancer-stage 0, clean sentinal node) Mastectomy/implant - no chemo, rads. "cured?"
9/2004 Diag: Stage IV extensive liver mets (!) ER/PR- Her2+++
10/04-3/05 Weekly Taxol/Carboplatin/Herceptin , complete response!
04/05 - 4/07 Herception every 3 wks, Continue NED
04/07 - recurrence to liver - 2 spots, starting tykerb/avastin trial
06/07 8/07 10/07 Scans show stable, continue on Tykerb/Avastin
01/08 Progression in liver
02/08 Begin (TDM1) trial
08/08 NED! It's Working! Continue on TDM1
02/09 Continue NED
02/10 Continue NED. 5/10 9/10 Scans NED 10/10 Scans NED
12/10 Scans not clear....4/11 Scans suggest progression 6/11 progression confirmed in liver
07/11 - 11/11 Herceptin/Xeloda -not working:(
12/11 Begin MM302 Phase I trial - bust:(
03/12 3rd times the charm? AKT trial
5/12 Scan shows reduction! 7/12 More reduction!!!!
8/12 Whoops...progression...trying for Perjeta/Herceptin (plus some more nasty chemo!)
9/12 Start Perjeta/Herceptin, chemo on hold due to infection/wound in leg, added on cycle 2 &3
11/12 Poops! progression in liver, Stop Perjeta/Taxo/Herc
11/12 Navelbine/Herce[ptin - try for a 3 cycles, no go.
2/13 Gemzar/Carbo/Herceptin - no go.
3/13 TACE procedure
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09-15-2012, 07:39 AM
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#6
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Senior Member
Join Date: Aug 2011
Location: Philly Suburbs
Posts: 1,709
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Re: What's the difference between HER2 and HER3
Chris,
What an eloquent and clear explanation! You would make a fine teacher! (High praise, coming from me I assure you!)
Always thinking of you...and praying like crazy for NED to find you soon...
Denise
__________________
1/11-needle biopsy
2/11-Lumpectomy/axillary node dissection - Stage 3c, ER/PR-14/17 nodes
3/11 - Post-op staph infection,cellulitis, lymphedema,seroma,ARRRGH!
4/12/11-A/C x 4, then T/H x 4, H only,Q3 weeks
8/26/11 finished Taxol!!!
10/7/11 mastectomy/DIEP recon
11/11 radiation x28
1/12/12 1st CANCER-VERSARY!
1/12 Low EF/Herceptin "Holiday" :(
2/12 EF up - Back on Herceptin, heart meds
4/2/1212 surgery to repair separated incision from DIEP recon
6/8/12 Return to work :)
6/17/12 Fall, shatter wrist,surgery to repair/insert plate :(
7/10/12 last Herceptin
7/23/12 Brain Mets %$&#! 3cm and 1cm
8/10/12 Gamma knife surgery, LOTS of steroids;start H/Tykerb
8/23/12 Back to work
12/20/12 Injure back-3 weeks in wheel chair
1/12/13 2nd CANCER-VERSARY!
1/14/13 herniate disk in back - surgery to repair
1/27/13 Radiation necrosis - edema in brain - back on steroids - but not back to work - off balance, poor cordination in right arm
5/3/13 Start Avastin to shrink necrosis
5/10/13 begin weaning steroids
6/18/13 Brain MRI - Avastin seems to be working!
6/20/13 quarterly CT - chest, abdomen, pelvis - All Clear!
7/5/13 finally off steroids!!
7/7/13 joined the ranks of the CHEMO NINJAS I am now Tekuto Ki Ariku cancer assassin!
7/13/13 Symptoms return - back on steroids
7/26/13 Back on Avastin - try again!
8/26/13 Not ready to return to classroom yet :( But I CAN walk without holding onto things! :)
9/9/13 Brain MRI - fingers crossed
“ Life is a grindstone, and whether it grinds you down or polishes you up is for you, and you alone, to decide. ” – Cavett Robert
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09-15-2012, 11:20 AM
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#7
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Senior Member
Join Date: Jan 2012
Posts: 362
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Re: What's the difference between HER2 and HER3
Thank you for the explanation. Well, looks like I'm Her2 +++. And now I'm back to being so scared. From everything I've read online HER2+++ tends to be the one that is resistant to Herceptin. I'm so scared that Herceptin won't work on me and that this will come back with a vengeance. I am a single mom to a toddler and cannot even process the thought of him not remembering who his mommy was.
__________________
DX 10/2011
PET Scan + MRI 10/2011
Lumpectomy 11/11/11
Stage 2B +++ ER+(10%), PR+(5%), HER2+++(1 positive node, 1 micromets to second node)
AC started 12/2011 ended 1/2012
Taxol + Herceptin weekly for 12 weeks ended 4/2012
30 zaps of radiation done 6/2012
Tamoxifen 6/2012
every 3 weeks of Herceptin for another year.
Metformin Trial 8/12
10/12 MRI- CLEAR
01/13 BRAIN MRI- CLEAR!
01/13 Neck MRI- CLEAR!
FINISHED HERCEPTIN 1/9/2013...Woot Woot
Starting Walter Reed Vaccine Trial 2/13
CT Scans + ultrasound of abdomen CLEAR-5/13
02/2015 through 11/2015 emergency D&Cs for Tamoxifen induced uterine polyps which caused uncontrollable hemorrhaging
12/2015 blood clot to left leg caused by Tamoxifen. No longer taking it. On Xarelto, a blood thinner
12/2015 Ablation to prevent hemorrhaging from potential issues with Tamoxifen residue in my system
1/2016 continuing journey without hormonal therapy. Reevaluating the option of a hysterectomy and oopherectomy.
4/1/2018 2mm stroke. Yes, stroke! No cause ever found but they believe it was a migraine that went bonkers and created a tiny clot. No deficits. I was back to normal with 24hrs. Now on baby aspirin for life.
7/27/2018 hysterectomy and oopherectomy
01/07/2019 Mastectomy and expanders put in
3/22/2019 Vtach, almost died. Cause unknown.
7/22/2019 New perky boobs put in
7/21/2020 Off of all drugs but a baby aspirin because of the stroke in 2018.
www.mychemobag.org
www.facebook.com/mychemobag
8 YEARS NED
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09-17-2012, 02:00 PM
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#8
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Senior Member
Join Date: Nov 2005
Location: Ireland
Posts: 3,463
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Re: What's the difference between HER2 and HER3
Europa I also was her2+++ and dx seven years ago, so far Herceptin or Arimidex or both have worked for me and most of what you read online is outdated info and pre herceptin so do stick to searching here or asking questions and do remain positive and enjoy life rather than waiting for the other shoe to fall!! (it may hopefully never happen!!) 
__________________
Tricia
Dx July '05 IDC 1.9cm Triple positive 3/9 nodes positive
A/C X 4 ..Taxol/Herceptin x 12 wks then herceptin 1 yr
Rads x 36 ..oophorectomy August '06
Currently taking Arimidex..
June 2011 osteopenia/ zometa x1 yearly- stopped Zometa 2015 as Dexa show normal bone density.
Stopped Arimidex July 2014- Restarted Arimidex 2015 for a further two years on the advice of my Onc.
2014 Normal Dexa scan
2018 Mammo all clear, still NED!
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09-21-2012, 06:42 AM
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#9
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Senior Member
Join Date: Jan 2012
Posts: 362
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Re: What's the difference between HER2 and HER3
Thank you so much for your replies. I just get these horrible periods of fear.
__________________
DX 10/2011
PET Scan + MRI 10/2011
Lumpectomy 11/11/11
Stage 2B +++ ER+(10%), PR+(5%), HER2+++(1 positive node, 1 micromets to second node)
AC started 12/2011 ended 1/2012
Taxol + Herceptin weekly for 12 weeks ended 4/2012
30 zaps of radiation done 6/2012
Tamoxifen 6/2012
every 3 weeks of Herceptin for another year.
Metformin Trial 8/12
10/12 MRI- CLEAR
01/13 BRAIN MRI- CLEAR!
01/13 Neck MRI- CLEAR!
FINISHED HERCEPTIN 1/9/2013...Woot Woot
Starting Walter Reed Vaccine Trial 2/13
CT Scans + ultrasound of abdomen CLEAR-5/13
02/2015 through 11/2015 emergency D&Cs for Tamoxifen induced uterine polyps which caused uncontrollable hemorrhaging
12/2015 blood clot to left leg caused by Tamoxifen. No longer taking it. On Xarelto, a blood thinner
12/2015 Ablation to prevent hemorrhaging from potential issues with Tamoxifen residue in my system
1/2016 continuing journey without hormonal therapy. Reevaluating the option of a hysterectomy and oopherectomy.
4/1/2018 2mm stroke. Yes, stroke! No cause ever found but they believe it was a migraine that went bonkers and created a tiny clot. No deficits. I was back to normal with 24hrs. Now on baby aspirin for life.
7/27/2018 hysterectomy and oopherectomy
01/07/2019 Mastectomy and expanders put in
3/22/2019 Vtach, almost died. Cause unknown.
7/22/2019 New perky boobs put in
7/21/2020 Off of all drugs but a baby aspirin because of the stroke in 2018.
www.mychemobag.org
www.facebook.com/mychemobag
8 YEARS NED
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09-21-2012, 10:44 AM
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#10
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Senior Member
Join Date: Apr 2011
Location: Michigan
Posts: 1,173
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Re: What's the difference between HER2 and HER3
Europa, I think we all still have moments of horrible fear (some are far and few between). As you see with my sig. stage 3a her2+++ and have yet to recur. (Thank God!) All though I'm am quite a few tads older as time goes on life will keep taking up more of your time so fear has to step a side. Gods blessings to you sweet little mother.
__________________
dx 11/12/09 IDCI
Stage 3a
ER 98% PR 80%
Her2 +3
4/12 nodes
6 rounds TCH
Herceptin 12 months 3weeks
Rad. 30 tx
Tamoxifin 6 months stopped
Arimedex stopped 9/12 (side effects)
Aromasin 10/12
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09-21-2012, 02:28 PM
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#11
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Senior Member
Join Date: Jan 2012
Posts: 362
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Re: What's the difference between HER2 and HER3
Thank you PRAY. I think I'm going to be a mess until my first MRI post treatment which is October 5th.
__________________
DX 10/2011
PET Scan + MRI 10/2011
Lumpectomy 11/11/11
Stage 2B +++ ER+(10%), PR+(5%), HER2+++(1 positive node, 1 micromets to second node)
AC started 12/2011 ended 1/2012
Taxol + Herceptin weekly for 12 weeks ended 4/2012
30 zaps of radiation done 6/2012
Tamoxifen 6/2012
every 3 weeks of Herceptin for another year.
Metformin Trial 8/12
10/12 MRI- CLEAR
01/13 BRAIN MRI- CLEAR!
01/13 Neck MRI- CLEAR!
FINISHED HERCEPTIN 1/9/2013...Woot Woot
Starting Walter Reed Vaccine Trial 2/13
CT Scans + ultrasound of abdomen CLEAR-5/13
02/2015 through 11/2015 emergency D&Cs for Tamoxifen induced uterine polyps which caused uncontrollable hemorrhaging
12/2015 blood clot to left leg caused by Tamoxifen. No longer taking it. On Xarelto, a blood thinner
12/2015 Ablation to prevent hemorrhaging from potential issues with Tamoxifen residue in my system
1/2016 continuing journey without hormonal therapy. Reevaluating the option of a hysterectomy and oopherectomy.
4/1/2018 2mm stroke. Yes, stroke! No cause ever found but they believe it was a migraine that went bonkers and created a tiny clot. No deficits. I was back to normal with 24hrs. Now on baby aspirin for life.
7/27/2018 hysterectomy and oopherectomy
01/07/2019 Mastectomy and expanders put in
3/22/2019 Vtach, almost died. Cause unknown.
7/22/2019 New perky boobs put in
7/21/2020 Off of all drugs but a baby aspirin because of the stroke in 2018.
www.mychemobag.org
www.facebook.com/mychemobag
8 YEARS NED
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09-21-2012, 02:44 PM
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#12
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Senior Member
Join Date: May 2011
Location: Denver, CO
Posts: 1,427
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Re: What's the difference between HER2 and HER3
I echo the advice not to read too much into little plus signs or people's prognostications. My mantra is "don't worry about anything until you have to." It saves a lot of wear and tear on the psyche.
__________________
Amy
_____________________________
4/19/11 Diagnosed invasive ductal carcinoma in left breast; 2.3 cm tumor, 1 axillary lymph node, weakly ER+, HER2+++
4/29/11 CT scan shows suspicious lesions on liver and lungs
5/17/11 liver biopsy
5/24/11 liver met confirmed--Stage IV at diagnosis
5/27/11 Begin weekly Taxol & Herceptin for 3 months (standard of care at the time of my DX)
7/18/11 Switch to weekly Abraxane & Herceptin due to Taxol allergy
8/29/11 CT scan shows no new lesions & old lesions shrinking
9/27/11 Finish Abraxane. Start Herceptin every 3 weeks. Begin taking Arimidex
10/17/11--Brain MRI--No Brain mets
12/5/11 PET scan--Almost NED
5/15/12 PET scan shows progression-breast/chest/spine (one vertebra)
5/22/12 Stop taking Arimidex; stay on Herceptin
6/11/12 Started Tykerb and Herceptin on clinical trial (w/no chemo)
9/24/12 CT scan--No new mets. Everything stable.
3/11/13 CT Scan--two small new possible mets and odd looking area in left lung getting larger.
4/2/13--Biopsy of suspicious area in lower left lung. Mets to lung confirmed.
4/30/13 Begin Kadcyla/TDM-1
8/16/13 PET scan "mixed," with some areas of increased uptake, but also some definite improvement, so I'll stay on TDM-1/Kadcyla.
11/11/13 Finally get hormone receptor results from lung biopsy of 4/2/13. My cancer is no longer ER positive.
11/13/13 PET scan mixed results again. We're calling it "stable." Problems breathing on exertion.
2/18/14 PET scan shows a new lesion and newly active lymph node in chest, other progression. Bye bye TDM-1.
2/28/14 Begin Herceptin/Perjeta every 3 weeks.
6/8/14 PET "mixed," with no new lesions, and everything but lower lungs improving. My breathing is better.
8/18/14 PET "mixed" again. Upper lungs & one spine met stable, lower lungs less FDG avid, original tumor more avid, one lymph node in mediastinum more avid.
9/1/14 Begin taking Xeloda one week on, one week off. Will also stay on Herceptin and Perjeta every three weeks.
12/11/14 PET Scan--no new lesions, and everything looks better than it did.
3/20/15 PET Scan--no new lesions, but lower lung lesions larger and a bit more avid.
4/13/15 Increasing Xeloda dose to 10 days on, one week off.
7/1/15 Scan "mixed" again, but suggests continuing progression. Stop Xeloda. Substitute Abraxane every 3 weeks starting 7/13.
10/28/15 PET scan shows dramatic improvement everywhere. All lesions except lower lungs have resolved; lower lungs noticeably improved.
12/18/15 Last Abraxane. Continue on Herceptin and Perjeta alone beginning 1/8/16.
1/27/16 PET scan shows cancer is stable.
5/11/16 PET scan shows uptake in some areas that were resolved on the last two scans.
6/3/16 Begin Kadcyla and Tykerb combination
6/5 - 6/23 Horrible diarrhea from K&T together. Got pneumonia.
7/15/16 Begin Kadcyla only every 3 weeks.
9/6/16 Begin radiation therapy on right lung lesion that caused the pneumonia.
10/3/16 Last of 12 radiation treatments to right lung.
11/4/16 Huffing and puffing, low O2, high heart rate, on tiniest bit of exertion. Diagnosed as radiation pneumonitis. Treated with Prednisone.
11/11/16 PET scan shows significant improvement to radiated part of right lung BUT a bunch of new lung lesions, and the bone met is getting worse.
11/22/16 Begin Eribulin and Herceptin. H every 3 weeks. E two weeks on, one week off.
3/6/17 Scan shows progression in lungs. Bone met a little better.
3/23/17 Lung biopsy. Tumor sampled is ER-, PR+ (5%), HER2+++. Getting Herceptin and Perjeta as a maintenance treatment.
5/31/17 Port placement
6/1/17 Start Navelbine & Tykerb
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09-22-2012, 05:37 AM
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#13
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Senior Member
Join Date: Dec 2011
Posts: 585
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Re: What's the difference between HER2 and HER3
I also am her2+++, and I am not Herceptin resistant so far (knock on wood). I read so much online that really scared me....so I quit reading it. Im stable now, and I feel perfectly fine, so I am just going on assuming I AM fine. I know how scary it is...Im still waiting for the day to come when this stupid cancer does not cross my mind and I am a year out from diagnosis. We really don't have a choice except to just keeping marching forward, and it sure is a difficult task sometimes....Know that we are all here for you and praying for you. Big hugs to you.
__________________
Diagnosed in October 2011 Stage IV with metastasis to liver.
January 2012 after double mastectomy, started taxotere, carboplatin and herceptin.
Clear.
December 2012 was diagnosed with five brain mets, and had whole brain radiation.
Around July 2014 two mets in brain, one a residual spot and one new one growing in size. Received Cyberknife on both areas
Clear/NED
April 2015 remain NED
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