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Pulmonary complications in a child with AML

Pulmonary complications in a child with AML. CHILDREN’S HOSPITAL & RESEARCH CENTER OAKLAND Hazel Villa, MD. Background. LC,11 y/o girl AMLM1 at 20 months old 1 st transplant (BMT) at 2 y/o–HLA-matched sibling donor Recurrent cutaneous disease at 3 y/o

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Pulmonary complications in a child with AML

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  1. Pulmonary complications in a child with AML CHILDREN’S HOSPITAL & RESEARCH CENTER OAKLAND Hazel Villa, MD

  2. Background • LC,11 y/o girl • AMLM1 at 20 months old • 1st transplant (BMT) at 2 y/o–HLA-matched • sibling donor • Recurrent cutaneous disease at 3 y/o • 2nd transplant peripheral stem cell at 3 y/o • -same sibling donor

  3. Background • First transplant: BMT • 1.Induction chemotherapy: Idarubicin, Ara-C, Etoposide, 6-thioguanine, dexamethasone • 2. Preparation for transplant: myeloablation with : • Busulfan, CyclophosphamideCytoxan • 3. Prophylaxis for GVHD: Methotrexate

  4. Background • 2nd transplant : peripheral stem cell transplant • ( She had cutaneous relapse) • 1.Preparation for SCT: total body irradiation • chemotherapy with: Etoposide, cyclophosphamide • 2.GVHD prevention with Methotrexate

  5. Background • 10/2003-1/2004 (5 months post SCT) • Chronic GVHD!!! • Oral lesionsbudesonide topical • Crackles- chest CT: mosaic perfusion • Flovent 44 2 puffs BID • Cyclosporine

  6. 2-4 years after 2nd transplant ( Patient is 4-6 years of age) • Asymptomatic • PFT • FVC 94 • pre FEV1 68 • post FEV1 74 • FEV1/FVC 62 • TLC 142 • RV 259 • DLCO- normal • Flovent BID /Albuterol MDI prn

  7. What do you see?

  8. Disease Progression • 7 years post 2nd transplant ( patient was 10 y/o) • Admitted from the ED for respiratory distress • Treated for community acquired pneumonia

  9. % predicted

  10. Patient was re-admitted * CXR –increased infiltrates on the right * Chest CT :

  11. What do you think of the CT?

  12. * Flexible bronchoscopy: normal anatomy • * BAL: AFB result was pending, NURF • Treatment intensified • * Plan to start azithromycin for BO, if TB negative

  13. BAL : Mycobacterium kansasii • Quantiferon Gold –negative • INH, RIF, EMB • * Airway clearance therapy was continued

  14. What is your next step?

  15. BOS or BOOP/COP INFECTION BOS/BOOP PROGRESSION REMOVE THE CYST OR NOT ?

  16. Patient came back…

  17. Pulmonary Plan: * Agree with immunosuppression if (-) pneumothorax, (-) chest tube * Resection of the enlarging cyst. (Blebectomy preferred, pt has low lung reserve) * NO pleurodesis for recurrent pneumothorax, if lung transplant is an option * Favor Azithromycin (BOS/ NTB) Prednisone (BOS/Immunosuppresion)

  18. Course: * Underwent blebectomy- lung tissue sent for histopathology * No recurrence of pneumothorax post-blebectomy * Started on cyclosporine and prednisone * Now 4-drug treatment for M. kansasii (+ Azithromycin) Outpatient follow up: 10/4/10 * Pt doing well. * Started on cyclosporine and prednisone per Heme- Oncology

  19. Histopathological Report • No evidence of recurrent AML • Areas of obliterated bronchioles show mature collagenous fibrosis • No interstitial scarring in most of the damaged airways. • No features of cryptogenic organizing pneumonia (COP).

  20. ORGANIZING FIBRINOUS PLEURITIS CONSISTENT WITH PNEUMOTHORAX OBLITERATIVE BRONCHIOLITIS CONSISTENT WITH PULMONARY GRAFT VERSUS HOST DISEASE

  21. Any other thoughts?

  22. Thank you very much!!!

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