Mantle cell lymphoma with blastoid / pleomorphic morphology OR TP53 mutation OR del(17p)...
Deterministic view of the source YAML entity. Clinical authority remains with the cited source IDs and reviewer sign-off state.
| ID | RF-MCL-BLASTOID-OR-TP53 |
|---|---|
| Type | Red flag |
| Status | reviewed 2026-04-25 | pending_clinical_signoff |
| Diseases | DIS-MCL |
| Sources | SRC-ESMO-MCL-2024 SRC-NCCN-BCELL-2025 |
Red Flag Origin
| Definition | Mantle cell lymphoma with blastoid / pleomorphic morphology OR TP53 mutation OR del(17p) — chemoimmuno-resistant aggressive variant; route directly to BTKi-based therapy |
|---|---|
| Clinical direction | intensify |
| Category | high-risk-biology |
| Shifts algorithm | ALGO-MCL-1L |
Trigger Logic
{
"any_of": [
{
"finding": "blastoid_morphology",
"value": true
},
{
"finding": "pleomorphic_morphology",
"value": true
},
{
"finding": "BIO-TP53-MUTATION",
"value": "positive"
},
{
"comparator": ">",
"finding": "BIO-KI67-PROLIFERATION-INDEX",
"threshold": 30
},
{
"finding": "tp53_mutation",
"value": true
},
{
"finding": "del_17p",
"value": true
},
{
"finding": "ki67_above_30_percent",
"value": true
}
],
"type": "composite_clinical"
}
Notes
Blastoid/pleomorphic + TP53-mutant MCL has poor response to chemoimmuno (BR/R-CHOP/R-DHAP) — survival impact substantial. Direct route to BTKi-based (acalabrutinib + rituximab; consolidation with allo-SCT or CAR-T at progression).
Used By
Algorithms
ALGO-MCL-1L- ALGO-MCL-1LALGO-MCL-2L- ALGO-MCL-2L
Biomarker
BIO-KI67-PROLIFERATION-INDEX- Ki-67 proliferation index (IHC, % positive nuclei)BIO-TP53-MUTATION- TP53 mutation / del(17p)
Indications
IND-MCL-1L-BTKI-R- IND-MCL-1L-BTKI-RIND-MCL-1L-INTENSIVE- IND-MCL-1L-INTENSIVEIND-MCL-POST-INDUCTION-RITUXIMAB-MAINTENANCE- IND-MCL-POST-INDUCTION-RITUXIMAB-MAINTENANCE
Red flag
RF-MCL-BLASTOID-VARIANT- Blastoid or pleomorphic histologic variant of mantle cell lymphoma — ~10-15% of MCL at di...RF-MCL-TRANSFORMATION-PROGRESSION- MCL with morphologic progression to blastoid or pleomorphic variant (often with TP53 acqu...