Graft-versus-host disease (Q39745): Difference between revisions
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Doença do enxerto-versus-hospedeiro (GVHD) ocorre quando células linfoides de um doador imunocompetente são introduzidas num receptor histo-incompatível incapaz de rejeitá-las. Isso usualmente ocorre como resultado de transplante de células tronco hematopoiéticas. Os principais alvos dos linfócitos do doador são a pele, o trato gastrointestinal e o fígado do receptor. A GVHD aguda, que ocorre normalmente nos primeiros 100 dias, tem alta mortalidade. A fase aguda pode ser seguida por GVHD crônica, que também pode sofrer nova agudização. Isso, geralmente, se apresenta como uma erupção liquenoide, mas pode evoluir para grave doença fibrosante afetando pele, pulmões e fígado. | |||
| description / en | description / en | ||
Graft-versus-host disease (GVHD) occurs when lymphoid cells from an immunocompetent donor are introduced into a histo-incompatible recipient incapable of rejecting them. This usually occurs as a result of haematopoietic stem cell transplantation. The main targets attacked by the donor lymphocytes are the recipient’s skin, gastrointestinal tract and liver. Acute GVHD, normally occurring within the first 100 days following transplantation, has a high mortality. The acute phase may be followed by chronic GVHD, which can also arise de novo. This usually presents as a lichenoid rash but can develop into a severe fibrosing disease affecting skin, lungs and liver. | |||
Revision as of 05:16, 13 August 2026
Graft-versus-host disease (GVHD) occurs when lymphoid cells from an immunocompetent donor are introduced into a histo-incompatible recipient incapable of rejecting them. This usually occurs as a result of haematopoietic stem cell transplantation. The main targets attacked by the donor lymphocytes are the recipient’s skin, gastrointestinal tract and liver. Acute GVHD, normally occurring within the first 100 days following transplantation, has a high mortality. The acute phase may be followed by chronic GVHD, which can also arise de novo. This usually presents as a lichenoid rash but can develop into a severe fibrosing disease affecting skin, lungs and liver.
| Language | Label | Description | Also known as |
|---|---|---|---|
| default for all languages | 4B24 |
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| English | Graft-versus-host disease |
Graft-versus-host disease (GVHD) occurs when lymphoid cells from an immunocompetent donor are introduced into a histo-incompatible recipient incapable of rejecting them. This usually occurs as a result of haematopoietic stem cell transplantation. The main targets attacked by the donor lymphocytes are the recipient’s skin, gastrointestinal tract and liver. Acute GVHD, normally occurring within the first 100 days following transplantation, has a high mortality. The acute phase may be followed by chronic GVHD, which can also arise de novo. This usually presents as a lichenoid rash but can develop into a severe fibrosing disease affecting skin, lungs and liver. |
