Difference between revisions of "Common variable immunodeficiency"

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*Recurrent sinus and pulmonary infections.
*Recurrent sinus and pulmonary infections.
*[[Inflammatory bowel disease]]-like disease.
*[[Inflammatory bowel disease]]-like disease.
==Gross==
Duodenum:
*Nodular mucosa - due to lymphoid hyperplasia.


==Microscopic==
==Microscopic==
Features:
Features - general:
*[[Plasma cells]] absent (or reduced) - '''key feature'''.<ref name=pmid20629103>{{cite journal |author=Agarwal S, Smereka P, Harpaz N, Cunningham-Rundles C, Mayer L |title=Characterization of immunologic defects in patients with common variable immunodeficiency (CVID) with intestinal disease |journal=Inflamm Bowel Dis |volume= |issue= |pages= |year=2010 |month=July |pmid=20629103 |doi=10.1002/ibd.21376 |url=}}</ref>
*[[Plasma cells]] absent (or reduced) - '''key feature'''.<ref name=pmid20629103>{{cite journal |author=Agarwal S, Smereka P, Harpaz N, Cunningham-Rundles C, Mayer L |title=Characterization of immunologic defects in patients with common variable immunodeficiency (CVID) with intestinal disease |journal=Inflamm Bowel Dis |volume= |issue= |pages= |year=2010 |month=July |pmid=20629103 |doi=10.1002/ibd.21376 |url=}}</ref>
*+/-Lymphoid aggregates.
===Esophagus===
Features - esophagus:<ref name=pmid18043034>{{Cite journal  | last1 = Daniels | first1 = JA. | last2 = Lederman | first2 = HM. | last3 = Maitra | first3 = A. | last4 = Montgomery | first4 = EA. | title = Gastrointestinal tract pathology in patients with common variable immunodeficiency (CVID): a clinicopathologic study and review. | journal = Am J Surg Pathol | volume = 31 | issue = 12 | pages = 1800-12 | month = Dec | year = 2007 | doi = 10.1097/PAS.0b013e3180cab60c | PMID = 18043034 }}</ref>
*Intraepithelial PMNs & candida.
*+/-Abundant intraepithelial lymphocytes.
===Stomach===
Features - stomach:<ref name=pmid18043034/>
*Lack of [[plasma cell]]s ~ 2/3 of individuals - '''key feature'''
*Lymphoid aggregates - common.
*+/-[[Lymphocytic gastritis]].
*+/-Intraepithelial neutrophils.
*+/-Infections ([[CMV]], [[H. pylori]], [[cryptosporidium]]).
===Small bowel===
Features - small bowel:<ref name=pmid18043034/>
*Villous blunting > 80% of individuals.
*Decreased plasma cells ~ 2/3 of individuals - '''key feature'''.
*Lymphoid aggregates ~ 1/2 of individuals.
*+/-Neutrophils + infections (CMV, cryptosporidium).
===Large bowel===
Features:<ref name=pmid18043034/>
*Decreased plasma cells - '''key feature'''.
*Lymphoid aggregates.
*+/-Apparent apoptosis.


==See also==
==See also==
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==References==
==References==
{{Reflist|1}}
{{Reflist|2}}


[[Category:Haematopathology]]
[[Category:Haematopathology]]
[[Category:Diagnosis]]
[[Category:Diagnosis]]
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