Not What You Meant? There are 9 definitions for LPD. Also try: ALPS.

Lymphoproliferative disorders

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**Lymphoproliferative disorders**
*Classification & external resources*
eMedicine	ped/1345
MeSH	D008232

Lymphoproliferative disorders (LPDs) refer to several conditions in which lymphocytes are produced in excessive quantities. They typically occur in patients who have compromised immune systems. They are sometimes equated with "immunoproliferative disorders", but technically Lymphoproliferative disorders are a subset of immunoproliferative disorders, along with hypergammaglobulinemia and paraproteinemias.

Examples of LPDs

chronic lymphocytic leukemia
acute lymphoblastic leukemia
hairy cell leukemia
lymphomas
multiple myeloma
Wiskott-Aldrich syndrome
post-transplant lymphoproliferative disorder
Autoimmune lymphoproliferative syndrome (ALPS)

External links

Sloan-Kettering

• • e Pathology: hematology (primarily C81-C96/200-208, D45-D47, D50-D77/280-289)
WBCs	hematological malignancy (lymphoma, leukemia, multiple myeloma), myeloproliferative disease, myelodysplastic syndrome -cytosis (Agranulocytosis, Leukocytosis, Lymphocytosis, Monocytosis) • -penia (Lymphopenia, Neutropenia)
RBCs/anemia/ hemoglobinopathy	nutritional anemia: Iron deficiency anemia, Plummer-Vinson syndrome, Megaloblastic anemia (Pernicious anemia) hereditary hemolytic anemia: G6PD Deficiency, Thalassemia, Sickle-cell disease/trait, Hereditary spherocytosis, Hereditary elliptocytosis, Hereditary stomatocytosis acquired hemolytic anemia: Autoimmune (Warm), HUS, MAHA, PNH, PCH aplastic anemia: Acquired PRCA, Diamond-Blackfan anemia, Fanconi anemia • Sideroblastic anemia • Hemochromatosis
Coagulation/platelets	coagulopathy: DIC • Hemophilia (A/VII, B/IX, C/XI, XIII) • Von Willebrand disease Purpura: Henoch-Schönlein, ITP (Evans syndrome), TTP primary hypercoagulable state: Protein C deficiency - Protein S deficiency - Antithrombin III deficiency - Antiphospholipid syndrome - Factor V Leiden other hemorrhagic conditions: Bernard-Soulier syndrome - Glanzmann's thrombasthenia - Grey platelet syndrome
Histiocytosis	WHO-I Langerhans cell histiocytosis - non-Langerhans-cell histiocytosis/WHO-II (Juvenile xanthogranuloma, Hemophagocytic lymphohistiocytosis) - malignant histiocytic disorders/WHO-III (Acute monocytic leukemia, Malignant histiocytosis, Erdheim-Chester disease)
Other	Asplenia/hyposplenism - Methemoglobinemia