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RGD DISEASE ONTOLOGY - ANNOTATIONS

RGD uses the Human Disease Ontology (DO, https://disease-ontology.org/) for disease curation across species. RGD automatically downloads each new release of the ontology on a monthly basis. Some additional terms which are required for RGD's curation purposes but are not currently covered in the official version of DO have been added. As corresponding terms are added to DO, these custom terms are retired and the DO terms substituted in existing annotations and subsequently used for curation.

Term:hemophagocytic lymphohistiocytosis
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Accession:DOID:0050120 term browser browse the term
Definition:A lymphatic system disease that is characterized by an expansion of the monocyte-macrophage population and intense hemophagocytosis. It can occur de novo, but more often occurs in the setting of another disorder, usually an infection or a malignancy. A clinical picture of fever, hepatosplenomegaly, lymphadenopathy and peripheral pancytopenia. The morphologic hallmark of this syndrome is the phagocytosis of hematopoietic elements by morphologically normal macrophages. (DO)
Synonyms:exact_synonym: HPLH;   HPS;   haemophagocytic syndrome;   hemophagocytic lymphohistiocytoses;   hemophagocytic syndrome;   hemophagocytic syndromes;   infection-associated hemophagocytic syndrome;   primary hemophagocytic hymphohistiocytosis;   primary hemophagocytic lymphohistiocytosis;   reactive hemophagocytic syndrome
 primary_id: MESH:D051359
 xref: GARD:6589;   ICD10CM:D76.1;   MIM:PS267700;   NCI:C34792;   ORDO:540



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hemophagocytic lymphohistiocytosis term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Cd163 CD163 molecule ISO protein:increased expression:blood serum (human) RGD PMID:15613100 RGD:127285796 NCBI chr 4:158,770,751...158,804,146
Ensembl chr 4:157,085,093...157,117,878
JBrowse link
G Elp1 elongator acetyltransferase complex subunit 1 ISS MouseDO NCBI chr 5:76,248,545...76,300,985
Ensembl chr 5:71,456,310...71,505,762
JBrowse link
G Havcr2 hepatitis A virus cellular receptor 2 ISO CTD Direct Evidence: marker/mechanism CTD PMID:30374066 NCBI chr10:31,383,801...31,415,334
Ensembl chr10:30,882,606...30,909,137
JBrowse link
G Ido1 indoleamine 2,3-dioxygenase 1 ISO RGD PMID:26914138 RGD:11529541 NCBI chr16:74,133,259...74,145,328
Ensembl chr16:67,430,578...67,442,730
JBrowse link
G Il18 interleukin 18 ISO associated with Epstein-Barr Virus Infections;protein:increased expression:serum RGD PMID:20472718 RGD:8655917 NCBI chr 8:59,802,072...59,829,275
Ensembl chr 8:50,906,960...50,932,887
JBrowse link
G Prf1 perforin 1 ISO associated with Lymphocytic Choriomeningitis RGD PMID:20049711 RGD:6482810 NCBI chr20:29,789,040...29,794,550
Ensembl chr20:29,246,202...29,251,701
JBrowse link
G Rab27a RAB27A, member RAS oncogene family ISS MouseDO NCBI chr 8:82,663,373...82,717,267
Ensembl chr 8:73,782,694...73,847,829
JBrowse link
Familial Hemophagocytic Lymphohistiocytoses term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Fhl1 four and a half LIM domains 1 ISO ClinVar Annotator: match by term: RETICULOSIS, FAMILIAL HISTIOCYTIC ClinVar PMID:18179888 PMID:19377476 PMID:19687455 PMID:19716112 PMID:22523091 More... NCBI chr  X:139,592,794...139,652,290
Ensembl chr  X:134,555,479...134,614,928
JBrowse link
G Prf1 perforin 1 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis | ClinVar Annotator: match by term: Familial histiocytic reticulosis | ClinVar Annotator: match by term: RETICULOSIS, FAMILIAL HISTIOCYTIC ClinVar PMID:1156555 PMID:10583959 PMID:11179007 PMID:11565555 PMID:11756153 More... NCBI chr20:29,789,040...29,794,550
Ensembl chr20:29,246,202...29,251,701
JBrowse link
G Stx11 syntaxin 11 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis ClinVar PMID:20486178 PMID:24033266 PMID:24459464 PMID:25741868 PMID:26004995 More... NCBI chr 1:9,111,216...9,140,227
Ensembl chr 1:7,289,976...7,320,164
JBrowse link
G Stxbp2 syntaxin binding protein 2 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis | ClinVar Annotator: match by term: Familial histiocytic reticulosis ClinVar PMID:9536098 PMID:16199547 PMID:17576681 PMID:19804848 PMID:19884660 More... NCBI chr12:6,487,265...6,498,351
Ensembl chr12:1,689,410...1,700,458
JBrowse link
G Unc13d unc-13 homolog D ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis | ClinVar Annotator: match by term: Familial histiocytic reticulosis ClinVar PMID:9536098 PMID:14622600 PMID:16278825 PMID:16778144 PMID:16825436 More... NCBI chr10:101,795,652...101,810,409
Ensembl chr10:101,296,776...101,311,687
JBrowse link
familial hemophagocytic lymphohistiocytosis 2 term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Eif4ebp2 eukaryotic translation initiation factor 4E binding protein 2 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 2 ClinVar PMID:28492532 NCBI chr20:29,922,260...29,942,922
Ensembl chr20:29,382,668...29,399,946
JBrowse link
G Il1rl1 interleukin 1 receptor-like 1 treatment ISO associated with lymphocytic choriomeningitis;mRNA:increased expression:spleen, liver: RGD PMID:26518437 PMID:26518437 RGD:11343232, RGD:11343232 NCBI chr 9:50,157,326...50,222,888
Ensembl chr 9:42,697,192...42,727,256
JBrowse link
G Il33 interleukin 33 ISO associated with lymphocytic choriomeningitis;mRNA:increased expression:spleen: RGD PMID:26518437 RGD:11343232 NCBI chr 1:237,115,478...237,149,897
Ensembl chr 1:227,721,435...227,736,373
JBrowse link
G Nodal nodal growth differentiation factor ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 2 ClinVar PMID:28492532 NCBI chr20:29,911,258...29,919,659
Ensembl chr20:29,368,436...29,376,837
JBrowse link
G Pald1 phosphatase domain containing, paladin 1 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 2 ClinVar PMID:28492532 NCBI chr20:29,269,814...29,334,850
Ensembl chr20:29,270,193...29,334,858
JBrowse link
G Prf1 perforin 1 ISO
ISS
DNA:missense mutations, nonsense mutations: :multiple
ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 2 | ClinVar Annotator: match by term: Hemophagocytic lymphohistiocytosis, familial, 2, susceptibility to
OMIM:603553
CTD Direct Evidence: marker/mechanism
ClinVar
MouseDO
CTD
OMIM
RGD
PMID:1156555 PMID:7851014 PMID:9536098 PMID:10583959 PMID:11179007 More... RGD:6482809 NCBI chr20:29,789,040...29,794,550
Ensembl chr20:29,246,202...29,251,701
JBrowse link
familial hemophagocytic lymphohistiocytosis 3 term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Unc13d unc-13 homolog D susceptibility ISO
ISS
DNA:deletions, insertion, snps:exons, intron:multiple (human)
ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 3 | ClinVar Annotator: match by term: UNC13D-related condition
OMIM:608898
CTD Direct Evidence: marker/mechanism
ClinVar
MouseDO
CTD
OMIM
RGD
PMID:2978935 PMID:9536098 PMID:10459864 PMID:14622600 PMID:15466010 More... RGD:1600451 NCBI chr10:101,795,652...101,810,409
Ensembl chr10:101,296,776...101,311,687
JBrowse link
familial hemophagocytic lymphohistiocytosis 4 term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Fuca2 alpha-L-fucosidase 2 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 4 ClinVar PMID:28492532 NCBI chr 1:7,885,986...7,900,777
Ensembl chr 1:7,885,918...7,900,776
JBrowse link
G Ltv1 LTV1 ribosome biogenesis factor ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 4 ClinVar PMID:28492532 NCBI chr 1:7,565,673...7,578,398
Ensembl chr 1:7,565,669...7,578,563
JBrowse link
G Pex3 peroxisomal biogenesis factor 3 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 4 ClinVar PMID:28492532 NCBI chr 1:9,732,641...9,774,479
Ensembl chr 1:7,912,506...7,954,518
JBrowse link
G Phactr2 phosphatase and actin regulator 2 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 4 ClinVar PMID:28492532 NCBI chr 1:9,411,412...9,680,648
Ensembl chr 1:7,597,927...7,860,289
JBrowse link
G Plagl1 PLAG1 like zinc finger 1 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 4 ClinVar PMID:28492532 NCBI chr 1:9,297,066...9,337,394
Ensembl chr 1:7,477,177...7,517,228
JBrowse link
G Sf3b5 splicing factor 3b, subunit 5 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 4 ClinVar PMID:28492532 NCBI chr 1:7,357,040...7,357,752
Ensembl chr 1:7,350,731...7,357,839
JBrowse link
G Stx11 syntaxin 11 ISO
ISS
ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 4 | ClinVar Annotator: match by term: STX11-related condition
OMIM:603552
CTD Direct Evidence: marker/mechanism
OMIM
ClinVar
MouseDO
CTD
PMID:15703195 PMID:16582076 PMID:17525286 PMID:19967551 PMID:20486178 More... NCBI chr 1:9,111,216...9,140,227
Ensembl chr 1:7,289,976...7,320,164
JBrowse link
G Zc2hc1b zinc finger, C2HC-type containing 1B ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 4 ClinVar PMID:28492532 NCBI chr 1:7,537,291...7,565,054
Ensembl chr 1:7,537,291...7,565,054
JBrowse link
familial hemophagocytic lymphohistiocytosis 5 term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Camsap3 calmodulin regulated spectrin-associated protein family, member 3 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:6,440,959...6,464,582
Ensembl chr12:1,643,251...1,666,685
JBrowse link
G Ccl25 C-C motif chemokine ligand 25 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:7,505,231...7,514,402
Ensembl chr12:2,707,398...2,716,554
JBrowse link
G Cd209d CD209d molecule ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:6,689,002...6,695,452
Ensembl chr12:1,891,113...1,901,171
JBrowse link
G Cd320 CD320 molecule ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr 7:15,328,320...15,334,138
Ensembl chr 7:14,609,146...14,631,976
JBrowse link
G Cers4 ceramide synthase 4 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:7,649,610...7,688,066
Ensembl chr12:2,851,784...2,886,828
JBrowse link
G Clec4g C-type lectin domain family 4, member G ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:6,578,266...6,582,913
Ensembl chr12:1,780,371...1,784,985
JBrowse link
G Clec4m C-type lectin domain family 4 member M ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:6,713,795...6,722,414
Ensembl chr12:1,915,919...1,924,539
JBrowse link
G Ctxn1 cortexin 1 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:2,610,465...2,612,076 JBrowse link
G Elavl1 ELAV like RNA binding protein 1 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:7,441,699...7,482,625
Ensembl chr12:2,645,061...2,684,784
JBrowse link
G Evi5l ecotropic viral integration site 5-like ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:7,317,474...7,356,445
Ensembl chr12:2,519,671...2,559,950
JBrowse link
G Fcer2 Fc epsilon receptor II ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:6,540,697...6,552,364
Ensembl chr12:1,742,815...1,754,476
JBrowse link
G Lrrc8e leucine rich repeat containing 8 VRAC subunit E ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:2,578,240...2,589,407
Ensembl chr12:2,578,315...2,589,412
JBrowse link
G Map2k7 mitogen activated protein kinase kinase 7 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:7,389,032...7,398,377
Ensembl chr12:2,591,219...2,604,222
JBrowse link
G Mcemp1 mast cell-expressed membrane protein 1 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:6,519,709...6,523,880
Ensembl chr12:1,718,730...1,725,986
JBrowse link
G Mcoln1 mucolipin TRP cation channel 1 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:6,357,851...6,372,151
Ensembl chr12:1,560,359...1,574,252
JBrowse link
G Pcp2 Purkinje cell protein 2 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:19804848 PMID:22451424 PMID:28492532 NCBI chr12:1,681,659...1,683,899
Ensembl chr12:1,681,659...1,683,899
JBrowse link
G Pet100 PET100 cytochrome c oxidase chaperone ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:19804848 PMID:22451424 PMID:28492532 NCBI chr12:1,679,805...1,682,540
Ensembl chr12:1,679,859...1,682,540
JBrowse link
G Pnpla6 patatin-like phospholipase domain containing 6 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:6,372,284...6,401,632
Ensembl chr12:1,560,363...1,603,734
JBrowse link
G Retn resistin ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:6,508,653...6,511,115
Ensembl chr12:1,710,881...1,712,620
JBrowse link
G Snapc2 small nuclear RNA activating complex, polypeptide 2 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:2,605,794...2,608,997
Ensembl chr12:2,605,810...2,608,999
JBrowse link
G Stx11 syntaxin 11 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:15703195 NCBI chr 1:9,111,216...9,140,227
Ensembl chr 1:7,289,976...7,320,164
JBrowse link
G Stxbp2 syntaxin binding protein 2 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 | ClinVar Annotator: match by term: STXBP2-related condition
CTD Direct Evidence: marker/mechanism
OMIM
ClinVar
CTD
PMID:9536098 PMID:10788461 PMID:16199547 PMID:17576681 PMID:19804848 More... NCBI chr12:6,487,265...6,498,351
Ensembl chr12:1,689,410...1,700,458
JBrowse link
G Tgfbr3l transforming growth factor beta receptor 3 like ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:2,600,874...2,604,211
Ensembl chr12:2,600,934...2,604,222
JBrowse link
G Timm44 translocase of inner mitochondrial membrane 44 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:7,410,424...7,428,179
Ensembl chr12:2,612,581...2,629,351
JBrowse link
G Trappc5 trafficking protein particle complex subunit 5 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:1,737,666...1,741,312
Ensembl chr12:1,737,627...1,742,637
JBrowse link
G Xab2 XPA binding protein 2 ISO ClinVar Annotator: match by term: Familial hemophagocytic lymphohistiocytosis 5 ClinVar PMID:28492532 NCBI chr12:1,667,672...1,679,702
Ensembl chr12:1,667,672...1,679,692
JBrowse link
Familial Hemophagocytic Lymphohistiocytosis 6 term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Rc3h1 ring finger and CCCH-type domains 1 ISO ClinVar Annotator: match by term: Hemophagocytic lymphohistiocytosis, familial, 6 OMIM
ClinVar
PMID:25741868 NCBI chr13:75,707,098...75,779,114
Ensembl chr13:73,173,946...73,238,839
JBrowse link
Griscelli syndrome term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Rab27a RAB27A, member RAS oncogene family ISO ClinVar Annotator: match by term: Griscelli syndrome ClinVar PMID:10835631 PMID:12148598 PMID:16551969 PMID:18350256 PMID:19953648 More... NCBI chr 8:82,663,373...82,717,267
Ensembl chr 8:73,782,694...73,847,829
JBrowse link
Griscelli syndrome type 1 term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Myo5a myosin VA ISO
ISS
OMIM:214450
CTD Direct Evidence: marker/mechanism
ClinVar Annotator: match by term: Griscelli syndrome type 1 | ClinVar Annotator: match by term: MYO5A-related condition
OMIM
MouseDO
CTD
ClinVar
PMID:9207796 PMID:9536098 PMID:10704277 PMID:12058346 PMID:17576681 More... NCBI chr 8:84,692,524...84,860,564
Ensembl chr 8:75,812,412...75,975,918
JBrowse link
Griscelli syndrome type 2 term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Ccpg1 cell cycle progression 1 ISO ClinVar Annotator: match by term: Griscelli syndrome type 2 ClinVar PMID:28492532 NCBI chr 8:82,600,677...82,633,082
Ensembl chr 8:73,719,955...73,752,430
JBrowse link
G Dnaaf4 dynein axonemal assembly factor 4 ISO ClinVar Annotator: match by term: Griscelli syndrome type 2 ClinVar PMID:28492532 NCBI chr 8:82,577,044...82,601,653
Ensembl chr 8:73,698,103...73,711,292
JBrowse link
G Pierce2 piercer of microtubule wall 2 ISO ClinVar Annotator: match by term: Griscelli syndrome type 2 ClinVar PMID:28492532 NCBI chr 8:82,596,034...82,600,500
Ensembl chr 8:73,715,383...73,719,849
JBrowse link
G Pigb phosphatidylinositol glycan anchor biosynthesis, class B ISO ClinVar Annotator: match by term: Griscelli syndrome type 2 ClinVar PMID:10835631 PMID:23160464 PMID:28492532 NCBI chr 8:73,751,756...73,775,679
Ensembl chr 8:73,751,798...73,775,679
JBrowse link
G Rab27a RAB27A, member RAS oncogene family ISO ClinVar Annotator: match by term: Griscelli syndrome type 2 | ClinVar Annotator: match by term: PAID SYNDROME | ClinVar Annotator: match by term: PARTIAL ALBINISM AND IMMUNODEFICIENCY SYNDROME
CTD Direct Evidence: marker/mechanism
OMIM
ClinVar
CTD
PMID:8319705 PMID:9536098 PMID:10835631 PMID:12058346 PMID:12148598 More... NCBI chr 8:82,663,373...82,717,267
Ensembl chr 8:73,782,694...73,847,829
JBrowse link
Griscelli syndrome type 3 term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Mlph melanophilin ISO ClinVar Annotator: match by term: Griscelli syndrome type 3 | ClinVar Annotator: match by term: MLPH-related condition
CTD Direct Evidence: marker/mechanism
OMIM
ClinVar
CTD
PMID:12148598 PMID:12897212 PMID:21883982 PMID:22711375 PMID:25741868 More... NCBI chr 9:98,955,036...98,990,566
Ensembl chr 9:91,507,591...91,542,983
JBrowse link
G Myo5a myosin VA ISO ClinVar Annotator: match by term: Griscelli syndrome type 3 ClinVar PMID:12148598 PMID:12897212 PMID:22711375 PMID:25283056 NCBI chr 8:84,692,524...84,860,564
Ensembl chr 8:75,812,412...75,975,918
JBrowse link

Term paths to the root
Path 1
Term Annotations click to browse term
  disease 19140
    disease of anatomical entity 18453
      immune system disease 5070
        lymphatic system disease 1737
          histiocytosis 91
            non-Langerhans-cell histiocytosis 83
              hemophagocytic lymphohistiocytosis 54
                Familial Hemophagocytic Lymphohistiocytoses + 42
                Griscelli syndrome + 7
Path 2
Term Annotations click to browse term
  disease 19140
    disease of anatomical entity 18453
      Immune & Inflammatory Diseases 5751
        immune system disease 5070
          lymphatic system disease 1737
            histiocytosis 91
              non-Langerhans-cell histiocytosis 83
                hemophagocytic lymphohistiocytosis 54
                  Familial Hemophagocytic Lymphohistiocytoses + 42
                  Griscelli syndrome + 7
paths to the root