Blood and immunity

• extramedullary hematopoietic proliferations
  8 December 2004

  Types
  extramedullary myeloid tumors granulocytic sarcoma erythroblastic sarcoma megakaryocytic sarcoma
  tumefactive extramedullary hematopoiesis
  References
  Nappi O, Boscaino A, Wick MR. Extramedullary hematopoietic proliferations, extraosseous plasmacytomas, and ectopic splenic implants (splenosis). Semin Diagn Pathol. 2003 Nov;20(4):338-56. PMID: #14694984#

• plasmacytoma
  8 December 2004

  plasmocytoma WKP PO
  Digital case
  HPC:334 : Nodal plasmocytoma
  Images
  solitary plasmacytoma https://twitter.com/WebPathology/status/735940036064075777
  mass of the upper lip & mobility of maxillary incisors https://twitter.com/bunn_belinda/status/744985348065767424
  duodenal plasmocytoma https://twitter.com/DraEosina/status/880806225306411009
  Localization
  nodal plasmacytoma
  extranodall plasmacytoma duodenal plasmocytoma (...)

• MALT
  7 December 2004

  mucosa associated lymphoid tissue

• extranodal lymphomas
  27 November 2004

  extra-nodal lymphomas

• eosinophilic disorders
  23 November 2004

  Types
  systemic eosinophilic disorders eosinophilic vasculitis Churg-Strauss syndrome eosinophilic proliferations (hypereosinophilic syndromes) idiopathic hypereosinophilic syndrome eosinophilic leukemias chronic eosinophilic leukemia severe drug hypersensitivity reactions
  localized eosinophilic disorders eosinophilic cutaneous disorders eosinophilic gastrointestinal disorders eosinophilic pulmonary disorders
  Localization
  blood: hypereosinophilias
  eosinophilic cutaneous (...)

• lymphoid hyperplasia
  17 November 2004

  lymphoid hyperplasias
  Types
  B-cell lymphoid hyperplasia lymphoid follicular hyperplasia plasmacytic hyperplasia
  T-cell lymphoid hyperplasia
  Localization
  pulmonary lymphoid hyperplasia bronchial lymphoid hyperplasia
  digestive lymphoid hyperplasia gastric lymphoid hyperplasia intestinal lymphoid hyperplasia colonic lymphoid hyperplasia
  cutaneous lymphoid hyperplasia
  See also
  lymphoid anomalies (lymphoid lesions (...)

• HELLP syndrome
  20 September 2004

  Hemolysis, Elevated Liver enzymes, Low Platelets syndrome WKP
  HELLP syndrome is a life-threatening obstetric complication usually considered to be a variant or complication of pre-eclampsia.
  Both conditions usually occur during the later stages of pregnancy, or sometimes after childbirth. "HELLP" is an abbreviation of the three main features of the syndrome :
  Hemolysis
  Elevated Liver enzymes
  Low Platelet count
  HELLP usually begins during the third trimester; rare cases have (...)

• thalassemias
  20 September 2004

  thalssaemia

• lymphoid follicular hyperplasia
  15 September 2004

  lymphoid nodular hyperplasia
  Images
  HIV-associated follicular lymphoid hyperplasia https://twitter.com/KyleBradleyMD/status/740575543863705601
  Localization
  nodal follicular lymphoid hyperplasia (nodal follicular hyperplasia )
  thymic follicular lymphoid hyperplasia
  pulmonary follicular lymphoid hyperplasia
  digestive follicular lymphoid hyperplasia gastric follicular lymphoid hyperplasia intestinal follicular lymphoid hyperplasia colonic follicular lymphoid hyperplasia (...)

• immunological synapse
  24 August 2004

  References
  Friedl P, Storim J. Diversity in immune-cell interactions: states and functions of the immunological synapse. Trends Cell Biol. 2004 Oct;14(10):557-67. PMID: #15450978#

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