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Leucaemia lymphoblastica acuta (B-ALL)-02

PatiensWang XX

Genus:Femina

AetasTrium annorum

Natio: Sinensis

DiagnosisLeucaemia lymphoblastica acuta (LLA-B)

    Proprietates Casus:

    - XIX Maii, MMXIX: Diagnosi leucaemia lymphoblastica acuta cellularum B (LLA-B)

    - Praesentatus cum multis massis capitis et lymphadenopathia

    - Examen sanguinis ordinarium: leucocyti 13.3 x 10^9/L, hematopoyia 94 g/L, lycopersica 333 x 10^9/L, lymphocyti abnormales 4%

    - Morphologia medullae ossium: 80.2% lymphoblastae immaturae (blastae)

    - Immunophaenotypus: 74.19% cellularum sunt cellulae praecursoriae malignae lineae B exprimentes CD45dim, CD19, CD9, CD22, CD81, CD58, cCD79a, CD38, HLA-DR, partim exprimentes cIgM. Diagnosis: B-ALL (stadium Prae-B)

    - Genum fusionis: MLL-ENL positivum, examen chromosomatis Philadelphiae simile (Ph-simile) negativum

    - Chromosoma: 46, XX, t(11;19)(q23;p13), del(20)(q12) [3]/46, XX [7]

    - Chemotherapia VDLD remissionem immunologicam post unum mensem initialiter consecuta est, PCR quantitativa MLL-ENL 0.026%

    - Chemotherapia continuata secundum protocollum paediatricum, MLL-ENL PCR quantitativa 0 post quartum cyclum. Ulterior chemotherapia continuata.

    - Martius 2020: Morbus residuus immunologicus medullae ossium 0.35%, PCR quantitativa MLL-ENL 0.53%, quod inclinationem ad recidivum indicat. Familia transplantationem recusavit. Chemotherapia per tres cyclos continuata est.

    - Iulius 2020: Medulla ossium omnino recidivavit.

    - XI Novembris MMXX: Chemotherapia intrathecalis, morbus residuus immunologicus in liquido cerebrospinali (LCS) 66%, leucaemia systematis nervosi centralis diagnosita. Chemotherapia intrathecalis bis repetita, LCS negativum factum est.

    - XXXI Decembris MMXX: In nosocomium nostrum receptus.

    - Examen sanguinis ordinarium: WBC 3.99 x 10^9/L, HGB 66 g/L, PLT 57 x 10^9/L

    - Numerus blastorum sanguinis peripherici: 69%

    - Morphologia medullae ossium: 90% lymphoblastae immaturae (blastae)

    - Immunophaenotypus: 84.07% cellularum exprimunt CD38, CD19, CD81dim, cCD79a, HLA-DR, cIgM, CD22, CD123, partim exprimunt CD24, CD15dim, indicantes lymphoblastos B immaturos malignos.

    - Genum fusionis: genum fusionis MLL-ENL positivum, PCR quantitativa 44.419%

    - Mutatio genetica: mutatio KMT2D positiva (origo germinalis)

    - Karyotypus chromosomatis: 46, XX, del(1)(p36.1), del(1)(q31q42), del(11)(q13), t(11;19)(q23;p13.3), add(14)(q34), -17, +mar [7]/46, idem, t(3;16)(p21;p13.3) [1]/46, XX [13]

    PET-CT: Incrementum metabolicum diffusum in tota cavitate skeletali et medullae ossium, magna suspicio recidivationis leucaemiae; splenomegalia cum metabolismo aucto, verisimiliter leucaemiam involvens.

    - Semel puncturam lumbalem et chemotherapiam intrathecalem peractae, nullae anomaliae in probationibus ad liquor cerebrospinalem pertinentibus inventae.


    Curatio:

    - Duabus hebdomadibus chemotherapiae VLP, blastos sanguinis peripherici 5% die XVIII Ianuarii.

    - XXV Ianuarii: Blastocyti sanguinis peripherici 91%, curati chemotherapia CTX, Ara-C, 6-MP.

    - III Februarii: Eruptiones sanguinis peripherici 22%.

    - IV Februarii: Collectio 50ml sanguinis peripherici autologi ad culturam cellularum CD19-CART.

    - MTX 1g, chemotherapia FC (contra influenzam 15mg quotidie per tres dies, CTX 0.12g quotidie per tres dies).

    - XIII Februarii (ante infusionem): Morphologia medullae ossium 87.5% blastorum ostendit, cytometria fluxus 79.4% blastorum malignorum ostendit.

    - Analysis quantitativa geni fusionis MLL-ENL: 42.639%.

    - XIV Februarii: Infusio cellularum CART dosi quinque x 10^5/kg.

    - Effectus adversi CAR-T-relati: CRS Gradus 1 (febris), nulla neurotoxicitas.

    - Die vicesimo post infusionem: Examen sanguinis proliferationem tumoris ostendit, proportio cellularum CART 0.07%.

    - Therapia cellularum CART inefficax.

    - VIII Martii, MMXXI: Examen sanguinis ordinarium: WBC 38.55 x 10^9/L, HGB 65g/L, PLT 71.60 x 10^9/L.

    - Explosiones sanguinis peripherici: 83%. Sanguis periphericus autologus 60ml collectus ad culturam cellularum CART dualis CD19/CD22.

    - Cytarabino et dexamethasono ad onus tumoris moderandum curatus.

    - XVIII Martii: Chemotherapia FC (influenza 15mg quotidie per tres dies, CTX 0.12g quotidie per tres dies).

    - XXII Martii (ante infusionem): Sanguinis probatio ordinaria: WBC 0.42 x 10^9/L, HGB 93.70g/L, PLT 33.6 x 10^9/L. Morphologia sanguinis peripherici: 6% blastorum.

    - Morphologia medullae ossium: 91% blastorum. Residua in medulla ossium: 88.61% cellularum exprimentium CD38, CD19, cCD79a, CD81, CD22, quae lymphoblastos B malignos immaturos indicant.

    - Analysis quantitativa geni fusionis MLL-ENL: 62.894%.

    - Analysis karyotypi chromosomatum: 46, XX, del(1)(p36.1), del(11)(q13), t(11;19)(q23;p13.3), add(14)(q34), -17, +mar [2]/46, XX, del(1)(p36.1), del(1)(q31q42), del(11)(q13), t(11;19)(q23;p13.3), add(14)(q34).

    - XXIII Martii: Infusio cellularum CART dosi 3 x 10^5/kg.

    - A die XXVI mensis Martii incipiens: Febris alta persistens et deinde oedema systemicum ortum est.

    - XXIX Martii: Morphologia sanguinis peripherici: 92% blastorum; transaminases et bilirubinum elevatae.

    - 2 Aprilis: Initium convulsionum, diazepamo curatum.

    - II Aprilis (dies X): Curatio methylprednisoloni per tres dies incepta est.

    - Reactio CRS: Gradus 3, CRES: Gradus 3.

    - VIII Aprilis (dies XVI): Aestimatio medullae ossium remissionem morphologicam completam ostendit, cytometria fluxus negativa pro blastis malignis; analysis quantitativa geni fusionis MLL-ENL: 0.

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