Difference between revisions of "Gastroesophageal reflux disease"

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{{ Infobox diagnosis
| Name      = {{PAGENAME}}
| Image      = Gastroesophageal reflux disease -- intermed mag.jpg
| Width      =
| Caption    = [[Micrograph]] showing histology compatible with gastroesophageal reflux disease. [[H&E stain]].
| Synonyms  =
| Micro      = basal cell hyperplasia (> 3 cells thick or >15% of epithelial thickness), papillae elongated (papillae reach into the top 1/3 of the epithelial layer), inflammation, esp. eosinophils, lymphocytes with convoluted nuclei ("squiggle cells"), +/-intraepithelial edema, +/-apoptotic cells, +/-glycogenation
| Subtypes  =
| LMDDx      = intestinal metaplasia ([[Barrett's esophagus]]), [[eosinophilic esophagitis]], [[acute esophagitis]]
| Stains    =
| IHC        =
| EM        =
| Molecular  =
| IF        =
| Gross      =
| Grossing  =
| Site      = [[esophagus]]
| Assdx      = [[obesity]], [[Barrett's esophagus]]
| Syndromes  =
| Clinicalhx =
| Signs      =
| Symptoms  =
| Prevalence = common
| Bloodwork  =
| Rads      =
| Endoscopy  = erythema, erosions, +/-ulceration.
| Prognosis  = benign
| Other      =
| ClinDDx    = [[eosinophilic esophagitis]], [[acute esophagitis]]
| Tx        = proton pump inhibitors
}}
'''Gastroesophageal reflux disease''', abbreviated '''GERD''', is a common pathology of the [[esophagus]].  It is occasionally abbreviated  ''GORD'' (gastro-oesophageal reflux disease).
'''Gastroesophageal reflux disease''', abbreviated '''GERD''', is a common pathology of the [[esophagus]].  It is occasionally abbreviated  ''GORD'' (gastro-oesophageal reflux disease).


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Note:
Note:
*Many be graded using ''Savary-Miller classification''.
*Many be graded using ''Savary-Miller classification'' or ''Los Angeles classification''.<ref name=pmid20659145>{{Cite journal  | last1 = Genta | first1 = RM. | last2 = Spechler | first2 = SJ. | last3 = Kielhorn | first3 = AF. | title = The Los Angeles and Savary-Miller systems for grading esophagitis: utilization and correlation with histology. | journal = Dis Esophagus | volume = 24 | issue = 1 | pages = 10-7 | month = Jan | year = 2011 | doi = 10.1111/j.1442-2050.2010.01092.x | PMID = 20659145 }}</ref>


Images:
Images:
*[http://www.gastrohep.com/images/image.asp?id=171 Savary-Miller classification - endoscopic images (gastrohep.com)].
*[http://www.gastrohep.com/images/image.asp?id=171 Savary-Miller classification - endoscopic images (gastrohep.com)].
===Los Angeles classification for GERD===
Features:<ref>URL: [http://www.sciencedirect.com/science/article/pii/S2212097113700463 http://www.sciencedirect.com/science/article/pii/S2212097113700463]. Accessed on: 14 April 2015</ref>
{| class="wikitable sortable"
! Classification
! Description
|-
| A
| mucosal break <=5 mm, not beyond the tops of two (adjacent) mucosal folds
|-
| B
| mucosal break >5 mm, not beyond the tops of two (adjacent) mucosal folds
|-
| C
| mucosa break beyond the tops of two mucosal folds but <75% of the esophageal circumference
|-
| D
| mucosal break >=75% of the esophageal circumference
|-
|}
Note:
*Correlation with histology is poor; mucosal breaks are seen rarely.<ref name=pmid20659145>{{Cite journal  | last1 = Genta | first1 = RM. | last2 = Spechler | first2 = SJ. | last3 = Kielhorn | first3 = AF. | title = The Los Angeles and Savary-Miller systems for grading esophagitis: utilization and correlation with histology. | journal = Dis Esophagus | volume = 24 | issue = 1 | pages = 10-7 | month = Jan | year = 2011 | doi = 10.1111/j.1442-2050.2010.01092.x | PMID = 20659145 }}</ref>


==Microscopic==
==Microscopic==
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#+/-Intraepithelial edema.
#+/-Intraepithelial edema.
#+/-Apoptotic cells.<ref name=pmid9926792>{{cite journal |author=Wetscher GJ, Schwelberger H, Unger A, ''et al.'' |title=Reflux-induced apoptosis of the esophageal mucosa is inhibited in Barrett's epithelium |journal=Am. J. Surg. |volume=176 |issue=6 |pages=569–73 |year=1998 |month=December |pmid=9926792 |doi= |url=}}</ref>
#+/-Apoptotic cells.<ref name=pmid9926792>{{cite journal |author=Wetscher GJ, Schwelberger H, Unger A, ''et al.'' |title=Reflux-induced apoptosis of the esophageal mucosa is inhibited in Barrett's epithelium |journal=Am. J. Surg. |volume=176 |issue=6 |pages=569–73 |year=1998 |month=December |pmid=9926792 |doi= |url=}}</ref>
#+/-Glycogen - cytoplasm cleared (white).<ref name=pmid8409304>{{cite journal |author=Vadva MD, Triadafilopoulos G |title=Glycogenic acanthosis of the esophagus and gastroesophageal reflux |journal=J. Clin. Gastroenterol. |volume=17 |issue=1 |pages=79–83 |year=1993 |month=July |pmid=8409304 |doi= |url=}}</ref>


Notes:
Notes:
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*[[Barrett's esophagus]] - intestinal metaplasia may be minimal.
*[[Barrett's esophagus]] - intestinal metaplasia may be minimal.


Images:
===Images===
<gallery>
Image: Gastroesophageal reflux disease -- low mag.jpg | GERD - low mag.
Image: Gastroesophageal reflux disease -- intermed mag.jpg | GERD - intermed. mag.
Image: Gastroesophageal reflux disease -- high mag.jpg | GERD - high mag.
 
Image: Gastroesophageal reflux disease - glycogen -- intermed mag.jpg | GERD - intermed. mag.
Image: Gastroesophageal reflux disease - glycogen -- high mag.jpg | GERD - high mag.
Image: Gastroesophageal reflux disease - glycogen -- very high mag.jpg | GERD - high mag.
</gallery>
www:
*[http://www.archivesofpathology.org/action/showFullPopup?id=i1543-2165-134-6-815-f03&doi=10.1043%2F1543-2165-134.6.815 EE versus GERD (archivesofpathology.org)].<ref name=pmid20524860>{{Cite journal  | last1 = Genevay | first1 = M. | last2 = Rubbia-Brandt | first2 = L. | last3 = Rougemont | first3 = AL. | title = Do eosinophil numbers differentiate eosinophilic esophagitis from gastroesophageal reflux disease? | journal = Arch Pathol Lab Med | volume = 134 | issue = 6 | pages = 815-25 | month = Jun | year = 2010 | doi = 10.1043/1543-2165-134.6.815 | PMID = 20524860 }}</ref>
*[http://www.archivesofpathology.org/action/showFullPopup?id=i1543-2165-134-6-815-f03&doi=10.1043%2F1543-2165-134.6.815 EE versus GERD (archivesofpathology.org)].<ref name=pmid20524860>{{Cite journal  | last1 = Genevay | first1 = M. | last2 = Rubbia-Brandt | first2 = L. | last3 = Rougemont | first3 = AL. | title = Do eosinophil numbers differentiate eosinophilic esophagitis from gastroesophageal reflux disease? | journal = Arch Pathol Lab Med | volume = 134 | issue = 6 | pages = 815-25 | month = Jun | year = 2010 | doi = 10.1043/1543-2165-134.6.815 | PMID = 20524860 }}</ref>
==Stains==
*[[Oil red O stain]] +ve in macrophages from [[bronchoalveolar lavage]] specimens.<ref name=pmid20466562>{{Cite journal  | last1 = Hopkins | first1 = PM. | last2 = Kermeen | first2 = F. | last3 = Duhig | first3 = E. | last4 = Fletcher | first4 = L. | last5 = Gradwell | first5 = J. | last6 = Whitfield | first6 = L. | last7 = Godinez | first7 = C. | last8 = Musk | first8 = M. | last9 = Chambers | first9 = D. | title = Oil red O stain of alveolar macrophages is an effective screening test for gastroesophageal reflux disease in lung transplant recipients. | journal = J Heart Lung Transplant | volume = 29 | issue = 8 | pages = 859-64 | month = Aug | year = 2010 | doi = 10.1016/j.healun.2010.03.015 | PMID = 20466562 }}</ref>


==Sign out==
==Sign out==
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*[[Barrett's esophagus]].
*[[Barrett's esophagus]].
*[[PPI effect]].
*[[PPI effect]].
*[[Glycogenic acanthosis of the esophagus]].


==References==
==References==
48,466

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