3.Lymphoma
|
Reactive Lympadenopathy |
Lymph node Enlargment |
|
Painfull |
Painless |
|
Infection |
Chronic immune response ,Neoplasia |
Classification of Neoplastic Lymphoma
graph TD
subgraph Non-Hodgkin
Xya ==>Xya1[Activated B-cell Producing Immunoglobulin]
Xya1 ==> Xya2["`***t(14;18)***, IgH replaced with BCL~2~`"];
Xya2 ==> xya3["`Blc~2~ anti-apoptotic`"]
xya3 ==> xya4[Uncontrolled growth];
Xyb ==>|un-activated B-cell| Xyb1["`t(11;14) Ig HEavy chain replaced with Cyclin D1`"];
Xyb1 ==> Xyb2[from G1 to S phase];
Xyb2 ==> Xyb3[Unci=ontrolled growth]
Xyc ==>Xyc1[Old Activated Class Switched B-cells];
Xyc1 ==> Xyc1a[from Chronic Disease like
Hashimoto Thyroididtis
Sjogren Syndrome,
MALToma or H.pylori];
X11c ==> X11c1["`t(8:14) `"]
X11c1 ==>|c-myc translocated to IgH gene| X11c2[Burkitt Lymphoma];
X11c2 ==>|appreance| X11c5["`Stary Sky appearance due to High Mitotic`"];
X11c2 ==>|types| Xc11[African type on the Cheeks] & XC12[Sporadic Type on the Abdomen];
X11d ==>|Large Undifferentiated Diffuse Type| X11d1["`***M/C Lymphoma***
clinically aggressive`"];
end
subgraph Types
X[Neoplasm Lymph node ] ==>|Filled with Neoplastic Cells| X1[Non-Hodgkin lymphoma];
X1 ==>|Classification| X1a[1.Cell type
2.Cell size
3.Markers
4.Translocation
5.Pattern of Growth]
X1a ==> X11a[Cell size]
X11a ==> X11b[Small cell] & X11c[Intermediate] & X11d[Large cell]
X11b ==>|region| Xya[Follicular] & Xyb[Mantle] & Xyc[Marginal];
end
subgraph Hodgkin Lymphoma
X ====>|Filled with Recruited Cells| X2[Hodgkin lymphoma];
X2 ==> XVV[Reed Sternberd Cells CD5+ ,CD30+
recruiting Cells to Lymph node ]
XVV ==>|Based on Recruited Cells| 9[types of Hodgkin]
9 ==> X2a[Nodular Sclerosing]
X2a ==>|Appreance of Reed Sternberg cell| X2a1["` Lacunar Apperance `"];
9 ==> X2b[Mixed Types ];
9 ==> X2c[Lymphoid Rich] & X2d[Lymphoid depleted];
X2c ==> X2c1["`***Popcorn Cells*** , good Prognosis`" ];
X2d ==> X2d1[older& HIV patients ,worst prognosis];
end
Age of Onset
- Follicular - Late adult
- MAntle - LAte adulthood
- MArginal - late adulthood
- burkitt - kids
- Large cell - *M/C *** late adulthood ,aggressive.
Chromosome
- Chromosome 14 - HEavy chain
- Ch 8 - c-myc
- Ch 11- Cyclin D1 (11 - cyclID)
- Ch 18 - Bcl2