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Splenomegaly Due to the Use of Granulocyte-Colony Stimulating Factor

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Splenomegaly Due to the Use of Granulocyte-Colony Stimulating Factor Splenomegaly due to the use of granulocyte-colony stimulating factor Ahmet BARLAK1, Gürhan KADIKÖYLÜ2, A. Zahit BOLAMAN2 1 Department of Internal Medicine, Adnan Menderes University Medical Faculty, 2 Division of Haematology-Oncology, Department of Internal Medicine, Adnan Menderes University Medical Faculty, Ayd›n, TURKEY Turk J Haematol 2004;21(2): 93-96 Received: 10.10.2003 Accepted: 22.12.2003 ABSTRACT Granulocyte-colony stimulating factor (G-CSF) is a growth factor used for stem-cell mobilization and neut- ropenia treatment. We report that splenomegaly was detected in a 16-years-old patient with acute lymphob- lastic leukemia following the administration of G-CSF. The presence of splenomegaly in the patients receiving G-CSF may be related to the use of G-CSF. Key Words: Splenomegaly, Colony-stimulating factor. ÖZET Granülosit-koloni stimüle eden faktör kullan›m›na ba¤l› splenomegali Granülosit-koloni stimüle eden faktör (G-CSF) kök hücre mobilizasyonu ve nötropeni tedavisi için kullan›lan bir büyüme faktörüdür. Bu olgu 16 yafl›nda ve G-CSF kullan›m› ard›ndan splenomegali geliflen bir olgu olup, splenomegali nedeninin G-CSF oldu¤u düflünülmektedir. Anahtar Kelimeler: Splenomegali, Koloni-stimülan faktör. INTRODUCTION heral stem-cell mobilization in allogenic or autologous stem cell transplantation and to Granulocyte-colony stimulating factor increase neutrophil count in neutropenic pa- (G-CSF) and granulocyte macrophage-colony tients[1]. Muscle pain, headache, fatigue and stimulating factor are glycoproteins which nausea are common side effects of these mediate the production, differentiation and drugs. The less reported side effects are fe- functions of the macrophages and neutrop- ver, chills, noncardiac chest pain, local reac- hils. These drugs are used to achieve perip- 93 Barlak A, Kad›köylü G, Bolaman AZ. Splenomegaly due to use of granulocyte-colony stimulating factor tion at the injection side, insomnia, dizzi- ned to prevent the recurrence. For stem-cell ness, and low-grade fever[2]. There are seve- mobilization, a regimen consisting of cyclop- ral reports about splenomegaly due to the hosphamide 2.4 g/m2 plus mesna 2.4 g/m2 use of G-CSF[3-5]. Also, nontraumatic splenic plus G-CSF 5 µg/kg was applied[8]. At day 9, rupture has also been reported in patients leukocyte count was 22.900/µL, monocyte who had splenomegaly as a rare complicati- count 1.557/µL, and CD34 25.6/µL. 4.49 x on of G-CSF administration[6]. 106/kg CD34 positive stem cells were collec- ted. In the next day, the physical examination In this paper, splenomegaly due to use of was normal except 4 cm splenomegaly. The G-CSF for peripheral stem-cell mobilization longitudinal diameter of the spleen was 13 is reported in a patient with acute lymphob- cm by the ultrasonography. Liver function lastic leukemia. tests, erythrocyte and platelet counts were A CASE REPORT normal. Brucella and Salmonella agglutinati- on tests, antibodies to hepatitis B and C vi- A 16-years-old patient had been admitted to rus, Epstein-Barr virus viral capsid antigen, a hematology center in 1997 with complaints of Toxoplasma IgM and cytomegalovirus IgM fatigue and rash. On his physical examination, were negative. Splenomegaly spontaneously splenomegaly had been found in addition to pe- disappeared after 7 days the cessation of G- techia and purpura on both lower limbs. Labo- CSF. ratory values were as follows: leukocyte count 70.000/µL, hemoglobin 13.6 g/dL, hematocrit DISCUSSION 42.6%, platelet count 8.000 /µL. On periphe- G-CSF increases the neutrophil count in ral smear, the ratio of the cells estimated the circulation and myeloid cells in the bone 48% for blast cells, 38% for neutrophils, and marrow by shortening the time for differenti- 14% for lymphocytes. In the bone marrow, ation from the stem cell to mature neutrop- 76% of the cells observed were blastic. The hil. Granulocyte proliferation was observed morphology of blastic cells was homogeno- in the red pulp of the enlarged spleen in rats usly monomorphic and had a loose chroma- on the fifth day of the G-CSF treatment. In tin network without vacuoles. The patient the studies on rats, it was found that had been found periodic-acid schiff positive thymidylate synthase (TS) and thymidine ki- and peroxidase negative. The percentage of nase (TK) mRNA’s in splenic cells were signi- CD10 in bone marrow on the flow cytometry ficantly increased after 6 hours of G-CSF. It had been found to be 30%, CD5 93%, CD7 was also found that TK and TS activities inc- 78%, CD19 3%, CD20 1%, CD22 3%, CD3 reased approximately 5 days after G-CSF 18%, CD33 2%, CD13 2% and HLA-DR 8% application to the bone marrow. It explains and ALL-L had been diagnosed. ALL-BFM-95 2 the probable cause of splenic rupture[9]. protocol had been started and complete re- mission had been achieved using this treat- Furthermore, there were extramedullary ment protocol[7]. The patient was admitted to myelopoesis without any disruption on the our hospital for follow-up in 2002. Physical erythroid and megakaryocytic cells in the red examination was normal without organome- pulp of the spleen on the histological exami- galy as well as the results of whole blood co- nation of splenic rupture after G-CSF admi- unt and peripheral smear. On bone marrow nistration in a patient[10]. Platzbecker et al aspiration and biopsy, there were normocel- found that the mean increases were 11 mm lularity, three cellular lines with normal ma- and 5 mm in longitudinal and transvers di- turation, 1/4 ratio erythroid/myeloid ratio ameters of spleen by ultrasonography in 91 and no blastic cells. Before stem cell collecti- healthy donors using 7.5 µg/kg G-CSF for pe- on, the patient was considered as complete ripheral stem cell mobilization, respectively[3]. remission and cryo-preservation was plan- Donadieu et al administered 5-20 µg/kg per 94 Turk J Haematol 2004;21(2):93-96 Splenomegaly due to use of granulocyte-colony stimulating factor Barlak A, Kad›köylü G, Bolaman AZ. day G-CSF to 19 patients with severe chronic G-CSF is a growth factor used for stem- neutropenia[4]. Neutrophil recovery was achi- cell mobilization and neutropenia treatment. eved in all patients and splenomegaly was Differential diagnosis of splenomegaly is im- observed on 2 (10.5%) patients. In another portant for the underlying disease especially study, splenomegaly was observed in 12 of leukemias and lymphomas. It should be re- 54 patients with congenital or cyclic neutro- membered that the presence of splenomegaly penia[5]. in the patients receiving G-CSF may be rela- ted to the use of G-CSF. In the study by Picardi et al G-CSF was administered to 22 patients and 13 healthy REFERENCES controls[11]. Splenomegaly was detected in 6 (17%) patients by palpation, by ultrasonog- 1. James D. Griffin. Hematopoietic growth factors. In: Hellman Samuel Jr, Rosenberg SA (eds). De Vita VT raphy-measured longitudinal diameter in 21 Principles and Practice of Oncology. 6th ed. Phila- (60%) patients and by ultrasonography-cal- delphia: USA, 2001:2798-813. culated volume of spleen in 32 (91%) pati- 2. Cesaro S, Marson P, Gazzola MV, De Silvestro G, ents. So ultrasonography-calculated volume Destro R, Pillon M, Calore E, Messina C, Zanesco L. of spleen had been suggested for the detec- The use of cytokine-stimulated healthy donors in al- tion of splenic enlargement. In this study, logeneic stem cell transplantation. Hematologica splenic enlargement had been found to cor- 2002;87:35-41. related with increase in the white blood cell 3. Platzbecker U, Prange-Krex G, Bornhauser M, Koch R, Soucek S, Aikele P, Haack A, Haag C, Schuler U, but not with that of circulating CD34 positi- Berndt A, Rutt C, Ehninger G, Holig K. Spleen en- ve cells. largement in healthy donors during G-CSF mobiliza- In the meta-analysis of three studies, sple- tion of PBPCs. Transfusion 2001;41:184-9. nic enlargement was increased from 6-15% at 4. Donadieu J, Boutard P, Bernatowska E, Tchernia G, Couillaud G, Philippe N, Le Gall E. A European pha- baseline to 15-31.8% on treatment with use se II study of recombinant human granulocyte co- of G-CSF in 1027 patients with idiopathic, lony-stimulating factor (lenograstim) in the treatment cyclic and congenital severe chronic neutro- of severe chronic neutropenia in children. Lenogras- penia. When computed tomography and tim Study Group. Biol Blood Marrow Transplant magnetic resonance imaging, was used sple- 1997;3:45-9. nomegaly sustained at 18 months and decre- 5. Bonilla MA, Dale D, Zeidler C, Last L, Reiter A, ased toward pretreatment values at 2.5 ye- RuggeiroM, Davis M, Koci B, Hammond W, Gillio A. Long-term safety of treatment with recombinant ars[12]. human granulocyte colony-stimulating factor (r-met- In addition to G-CSF induced splenome- HuG-CSF) in patients with severe congenital neutro- galy, spontaneous splenic rupture may be penias. Hum Cell 1994;7:88-94. seen at 6th and 10th days of the treatment in 6. Kroger N, Zander AR. Dose and Schedule affect of G-CSF for stem cell mobilization in healthy donors. patients administered G-CSF for peripheral Leuk Lymphoma 2002;43:1391-5. stem cell mobilization[2,10,13]. 7. Reiter A, Schrappe M, Tiemann M, Ludwig WD, Ya- Our patient received G-CSF in a dose of kisan E, Zimmermann M, Mann G, Chott A, Ebell 5 µg/kg/day for 9 days. Splenomegaly was W, Klingebiel T, Graf N, Kremens B, Muller-Weih- rich S, Pluss HJ, Zintl F, Henze G, Riehm H. Impro- detected at 10th day of the treatment.
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