L. David Mirkin, MD, FCAP, FAAP, FASCP, FRSM


Professor of Pathology and Pediatrics
Wright State Boonshoft School of Medicine
Director of Pathology and Clinical Laboratory
Dayton Children’s Hospital
One Children’s Plaza
Dayton, OH 45404-1815, USA

Biography

PRESENT POSITIONS

Professor of Pathology and Pediatrics. Wright State University Boonshoft School of Medicine. Director of Pathology and Clinical Laboratory. Dayton Children’s Hospital. Dayton, Ohio.

EDUCATION

Bachiller. Colegio Nacional Mariano Moreno. Buenos Aires, Argentina. 1948.
Medical Doctor. Universidad de Buenos Aires. Facultad de Ciencias Médicas. 1957.
Pathology Resident. Hospital de Niños Ricardo Gutiérrez. Buenos Aires, Argentina. 1961 1964.
Pathology Resident. The Children’s Memorial Hospital. Chicago, Illinois. 1966 1967.

Research Interest

My research interests include electron microscopy of pediatric tumors.

Scientific Activities

GRANTS, FELLOWSHIPS AND AWARDS

Martin Simmerman P, Siddiqui A, Mirkin LD, Provisor A, and Cohen M. 68th Scientific Assembly Annual Meeting of the Radiological Society of North America. Honorable Mention. Calcification and Tc99 Methylene Diphosphonate Uptake in Neuroblastoma. November, 1983.
Certificate of Outstanding Volunteerism for Outstanding Voluntary Contributions to the Community. Wright State University. April 27, 1995.
Certificate of Appreciation as a Mentor. Walter E. Stebbins High School. May 2, 2005.
Outstanding Inspector 2006. College of American Pathologists.
Cytopathology Teaser Winner. Lab Med 2011:42:515.
Alan D. Shafer, MD, Distinguished Service Award. 2013.

BOARD CERTIFICATIONS

American Board of Pathology, Anatomic Pathology. May 13, 1980.
American Board of Pathology, Pediatric Pathology. June 4, 1991.
American Board of Pathology Diplomate Recertification. January 1, 1998.

PROFESSIONAL SOCIETY MEMBERSHIPS

American Medical Association. 1966 to present.
Asociación Médica Argentina. 1960 to present.
Sociedad Argentina de Pediatría. 1960 to present.
Sociedad Argentina de Anatomía Patológica (Treasurer, 1968). 1960 to present.
Colegio Médico de Chile. 1970 to present.
Sociedad Chilena de Pediatría. 1971 to present.
Sociedad Chilena de Anatomía Patológica (Secretary, 1972). 1971 to present.
Sociedad Chilena de Cancerología. 1973 to present.
Sociedad Chilena de Enfermedades del Tórax y Tuberculosis. 1975 to present.
Indiana Association of Pathology. 1976 1987.
Society for Pediatric Pathology. 1978 to present.
International Academy of Pathology. 1978 to present.
College of American Pathologists. 1980 to present.
Indiana Area V Professional Standards Review Organization. 1980-1986.
American Society for Investigative Pathology. 1981 to present.
International Paediatric Pathology Association. 1981 to present.
New York Academy of Sciences, 1981 to present.
American Society of Clinical Pathologists, 1981 to present.
Society for Ultrastructural Pathology. 1985 to present.
Study Group for Complications of Perinatal Care, 1986 to present.
Western Ohio Pediatric Society. 1987 to present. Secretary-Treasurer, 1991-1992. President, 1992-1993.
Ohio Society of Pathologists, 1988 to present.
American Academy of Pediatrics, Ohio Chapter. Board Member, 1992-1993.
American Academy of Pediatrics. Pathology Fellow, 1994 to present.
International Placental Pathology Group. 1997 to present.
American Association of Blood Banks. 1999 to present.
Children’s Oncology Group. 2001 to present.
Royal Society of Medicine. 2008 to present.
International Society of Paediatric Oncology. 2009 to present.

HONORS

Honorary Member, Sociedad Chilena de Anatomía Patológica. May 25, 1982.
Honorary Member, Sociedad Peruana de Patólogos. June 16, 1982.
Honorary Member, Sociedad Latinoamericana de Patología Pediátrica. July 29, 1985.
Honorary Member, Sociedad Chilena de Pediatría. October 23, 2002.

Publications

1. Mirkin LD. Enfermedad de inclusión citomegálica. Arch Argent Pediatr 64:222-230, 1966.*
2. Larguía R, Mirkin LD. Patología de la hepatitis. El Día Médico 40:458 459, 1968.*
3. Mirkin LD. Neumonías con cuerpos de inclusión: Diagnóstico histopatológico. Revista del Hospital de Niños de Buenos Aires 43:458 459, 1969.*
4. Mirkin LD. Cirrosis infantil. Revista del Hospital de Niños de Buenos Aires 45:10 12, 1970.*
5. Mirkin LD. Síndrome de muerte súbita en la infancia (Editorial).*
Pediatría, Santiago 13:175,1970.*
6. Mirkin LD. Sarampión. Revista del Hospital de Niños de Buenos Aires 49:29 33, 1971.*
7. Valenzuela J, Mirkin LD. Leucemia cutis. Arch Chil Oftalmol 28:439 441, 1971.*
8. Mirkin LD. Cinco preguntas concernientes con la muerte súbita inesperada en la infancia. Revista del Hospital de Niños de Buenos Aires 52:209 210, 1971.*
9. Villagrán G, Mirkin LD. Quiste ovárico en el recién nacido. Pediatría, Santiago 14:199 202, 1971.*
10. Mirkin LD. Entrenando patólogos pediatras. Pediatría, Santiago 14:125 126, 1971.*
11. Las Heras J, Mirkin LD. Hidranencefalia. Rev Chil Pediatr 42:681 682, 1971.*
12. Mirkin LD. Trombosis de la vena renal y hemorragia adrenal bilateral en un recién nacido. Pediatría, Santiago 15:308 312, 1972.*
13. Mirkin LD, Las Heras J. Hemosiderosis pulmonar idiopática con miocarditis. Pediatría Santiago 15: 375 378, 1972.*
14. Las Heras J, Mirkin LD, Recabarren M. Rabdomiosis pulmonar. Rev Chil Pediatr 44: 359, 1973.*
15. Las Heras J, Torres J, Mirkin LD. Enterocolitis necrosante con septicemia del recién nacido. Bol Med Hosp Infant Mex 31:207-220, 1974.*
16. Mirkin LD, Carrillo O. Fisura laríngea persistente. Rev Chil Pediatr 45:21-24, 1974.
17. Mirkin LD. Neumonía intersticial. Pediatría, Santiago 17:26, 1974.*
18. Benveniste S, Las Heras J, Mirkin LD. Hemorragia adrenal en el recién nacido. Rev Chil Pediatr 45:119, 1974.*
19. Parada F, Mirkin LD. Miositis osificante generalizada progresiva. Rev Chil Pediatr 45:247 251, 1974.*
20. Ochoa E, Gasc O, Mirkin LD. Hipernefroma en un niño de 6 años. Rev Chil Pediatr 45:123, 1974.*
21. Danús O, Larraín P, Mirkin LD. Terapia esteroidal en el síndrome celíaco. Rev Chil Pediatr 45:421 425, 1974.*
22. Las Heras J, Schidlow D, Mirkin LD. Degeneración quística de la corteza adrenal asociada con membrana hialina. Bol Med Hosp Infant Mex 32:365 375, 1975.*
23. Burdach R, Mirkin LD, Varas A, Boza L, Cortés E, Barros C, Pino C, Gravet H. Neumonías aspirativas iatrogénicas. Rev Chil Pediatr 46:101-106, 1975.*
24. Mirkin LD. Progonoma melanótico. )Tumor benigno o malign? Rev Chil Pediatr 46:125-128, 1975.*
25. Mirkin LD. Neumatosis intestinal (C.C.P.). Pediatría, Santiago, 18:92 98, 1975.*
26. Cortés E, Boza L, Mirkin LD, Burdach R, Mena M. Quiste bronquial congénito. Rev Chil Pediatr 46:205 210, 1975.*
27. Benveniste S, Thumler J, Mirkin LD, Zúñiga J, Cavada Parga TM. Bronquiectasias congénitas. Rev Chil Pediatr 46:235 238, 1975.*
28. Mirkin LD. Aspectos generales de los tumores en la infancia. Rev Chil Pediatr 47:5 8, 1976.*
29. Montecinos G, Bravo M, Aldunate G, Mirkin LD, Vildósola C. Tumor de Wilms: Análisis de 233 casos. Rev Chil Pediatr 47:51 57, 1976.*
30. Alburquenque W, Mirkin LD, Fuentes L. Tumores del testículo en niños. Rev Chil Pediatr 47:67 70, 1976.*
31. Aguirre J, Torres F, Cerda J, Mirkin LD. Tumores y quistes de ovario en lactantes. Rev Chil Pediatr 47:71 75, 1976.*
32. Fuentes L, Montes P, Mirkin LD. Neuroblastoma. Rev Chil Pediatr 47:77 80, 1976.*
33. Aldunate G, Emparanza E, Mirkin LD. Linfosarcomas abdominales en niños. Rev Chil Pediatr 47:87 90, 1976.*
34. Pruyás T, Parada F, Fuentes L, Mirkin LD. Granuloma eosinófilo e histiocitosis. Rev Chil Pediatr 47:91 94, 1976.*
35. Mirkin LD, Benveniste S. Significado del “cielo estrellado ” en linfomas infantiles. Rev Chil Pediatr 47:95 97, 1976.*
36. Colecistitis y colelitiasis en niños. Cerda J, Torres F, Aguirre J, Aldunate G, Mirkin LD, Vildósola C. Rev Chil Pediatr 47:133-137, 1976.*
37. Terrazas G, Mirkin LD, Carvajal L, Aldunate G, Vildósola C. Neoplasias del hueso en niños. Rev Chil Pediatr 47:311-313, 1976.*
38. Ochoa E, Gasc O, Mirkin LD. Síndrome nefrótico en la infancia. Bol Hosp Infant Mex 33:756 761, 1976.*
39. Correia G, Tapia M, Aldunate G, Mirkin LD. Tumores malignos del hígado en el lactante. Pediatría, Santiago 20:174 178, 1977.*
40. Aguirre J, Mirkin LD. Adenoma pleomórfico de las glándulas salivales (tumor mixto). Pediatría, Santiago, 20:189 191, 1977.*
41. Gonzales Crussi F, Hull M, Mirkin LD. Intranuclear filaments in a soft tissue sarcoma. Human Path 9:180 198, 1978.
42. Gonzales Crussi F, Winkler R, Mirkin LD. Sacrococcygeal teratomas of infancy and childhood. Arch Path Lab Med 102:402 425, 1978.
43. Gonzales Crussi F, Eberts T, Mirkin LD. Congenital fibrous hamartoma of the heart. Arch Path Lab Med 102:491 495, 1978.
44. Gonzales Crussi F, Mirkin LD, Wyllie RM, Escobedo M. Acute disseminated aspergillosis during the neonatal period. Clin Pediatr 18: 137 144, 1979.
45. Ellis G, Mirkin LD, Mills M. Pancreatitis and Reye’s syndrome. Am J Dis Child; 133:1014 1016, 1979.
46. Bavikatte K, Hilliard J, Schreiner RL, Mirkin LD, Williams B, Lemons JA, Gresham EL. Systemic vascular cotton fiber emboli in the neonate. J Pediatr 94:614 616, 1979.
47. Mollitt DL, Malangoni MA, Ballantine TV, Mirkin LD, Grosfeld JL. Effect of endotoxin on bursting strength and collagen deposition in clean wounds. Surg Forum 30:479 481, 1979.
48. Jose JH, Schreiner RL, Siddiqui AR, Cohen M, Lemons JA,Mirkin LD, Bergstein J. 1673 Benign effects of human amniotic fluid (AF) aspiration in neonatal rabbit pups. Pediatric Research (1981) 15:722-722; doi:10.1203/00006450-198104001-01692.
49. Mirkin LD. Abnormal structures in sperm tails of the Purkinje cells degeneration mouse (pcd). Research. Indiana University School of Medicine. Pathology 144, 1979.
50. Stevens DC, Hilliard JK, Schreiner RL, Hurwitz RA, Murrell R, Mirkin LD, Bonderman PW, Nolen PA. Supraventricular tachycardia with edema, ascites and hydrops in fetal sheep. Am J Obs Gyn 142:316, 1982.
51. Klein Szanto AFP, Terzaghi M, Mirkin LD, Martin D, Shiba M. Propagation of normal epithelial cell populations using an in vivo culture system. Description and applications. Am J Pathol 108:231 239, 1982.
52. Hodes JE, Grosfeld JL, Weber TR, Schreiner RL, Fitzgerald JF, Mirkin LD. Hepatic failure in infants on total parenteral nutrition (TPN); clinical and histopathologic observations. J Pediatr Surg 17:5:463 468, 1982.
53. Hodes ME, Butler MG, Keitges EA, Mirkin LD, Wills ER. Brief clinical report: Prune belly syndrome in an anencephalic male. Am J Med Genet 14:37 42, 1983.
54. Cohen MD, Mirkin LD, Provisor A, Hornback NB, Smith JA, Slabaugh RD. Lung nodules after whole lung radiation. Am J Pediatr Hema/Onc 5:283 286, 1983.
55. Mirkin LD and Azzarelli B. Spinal malignant schwannoma in a 5 year old boy: Ultrastructural evidence of its perineurial origin. Pediatr Pathol 1:211 219, 1983.
56. Hodes JE, Hull MT, Mirkin LD, Hodes ME. Immunohistochemical demonstration of altered functional differentiation of pancreatic tissue in sacrococcygeal teratomas. Human Pathol 14:724 276, 1983.
57. Azzarelli B, Muller J, Mirkin LD. Medulloblastoma (?) with epithelioid features. Acta Neuropathol (Berl) 61:109-115, 1983.
58. Martin Simmerman P, Cohen MD, Siddiqui AR, Mirkin LD, Provisor AJ. Calcification and Tc99methylene diphosphonate uptake in neuroblastoma. Proc Am Roentg R Soc. Atlanta, 1983.
59. Jose JH, Schreiner RL, Lemons JA, Gresham EL, Mirkin LD, Siddiqui A, Cohen M. The effect of amniotic fluid aspiration on pulmonary function in the adult and newborn rabbit. Pediatr Res 17:976 981, 1983.
60. Seo IS, Warren J, Mirkin LD, Weisman SJ, Grosfeld JL. Mucoepidermoid carcinoma of the bronchus in a four year old child. A high grade variant with lymph node metastasis. Cancer 53:1600 1604, 1984.
61. Martin Simmerman P, Cohen MD, Siddiqui A, Mirkin LD, Provisor AJ. Calcification and uptake of Tc 99m diphosphonate in neuroblastomas: Concise communication. J Nucl Med 25:656 660, 1984.
62. Azzarelli B, Mirkin LD, Goheen M, Muller J, Crockett C. The leptomeningeal vein. A site of re entry of leukemic cells into the systemic circulation. Cancer 54:1333 1343, 1984.
63. Cohen MD, Weetman R, Provisor A, McGuire W, McKenna S, Smith JA, Carr B, Siddiqui A, Mirkin LD, Seo IS, Klatte EC. Magnetic resonance imaging of neuroblastoma with a 0.15 T magnet. AJR 143:1241 1248, 1984.
64. Mail JT, Cohen MD, Mirkin LD, Provisor AJ. Response of osteosarcoma to preoperative intravenous high dose methotrexate chemotherapy:CT evaluation. AJR 144:89 93, 1984.
65. Azzarelli B, Muller J, Mirkin LD, Goheen MP. Transvascular migration of L2C leukemic cells studied in the liver of the guinea pig. Virchows Arch (Pathol Anat) 406:425 440, 1985.
66. Neal PR, Jansen RD, Lemons JA, Mirkin LD, Schreiner RL. Unusual manifestations of neonatal hyperthyroidism. Am J Perinatol 2: 231 235, 1985.
67. Warren JS, Seo IS, Mirkin LD. Massive congenital mesenchymal malformation of the lung: A case report with ultrastructural study. Pediatr Pathol 3:321 328, 1985.
68. Pettenati MJ, Mirkin LD, Goldstein DJ. Diploid-triploid mosaicism. Report of necropsy findings. Am J Med Genet 24:23 28, 1986.
69. Seo IS, McGuire WA, Heerema NA, Mirkin LD, Weetman RM. Congenital monoblastic leukemia cutis. A case report with chromosomal abnormality: del (10p). Am J Pediatr Hematol/Oncol 8(2):158 162, 1986.
70. Seo IS, Min K-W, Mirkin LD. Juvenile xanthogranuloma. Ultrastructural and immunocytochemical studies. Arch Pathol Lab Med 110:911 915, 1986.
71. Seo IS, Frizzera G, Coates TD, Mirkin LD, Cohen MD. Angiomatoid malignant fibrous histiocytoma with extensive lymphadenopathy simulating Castleman’s disease. Pediatr Pathol 6:233 247, 1986.
72. Boyko OB, Cory DA, Cohen MD, Provisor A, Mirkin LD, Derosa GP. MR imaging of osteogenic and Ewing’s sarcoma. AJR 148:317 322, 1987.
73. Goldstein DJ, Nichols WC, Mirkin LD. Short limbed osteochondrodysplasia with osteochondral spurs of knee and elbow joints (spur limbed dwarfism). Dysmorphol Clin Genet 1:1 4, 1987.
74. Moore CA, Buehler BA, McManus BM, Harmon JP, Mirkin LD, Goldstein DJ. Brief clinical report: Acephalus acardia in twins with aneuploidy. Am J Med Genet Supplement 3:139 143, 1987.
75. Goldstein DJ, Mirkin LD. Reduction of freezing artifact in frozen sections using dimethyl sulfoxide. Lab Med 18:597 599, 1987.
76. Jose JH, Schreiner RL, Lemons JA, Gresham EL, Mirkin LD, Siddiqui A, Cohen M. The effect of amniotic fluid aspiration on pulmonary function in the adult and newborn rabbit. Pediatric Research 17, N˚12, 1988.
77. Mirkin LD. Priapus in trouble: So what’s new? (for the articulate, thelerethism). JAMA 259:2695, 1988. Letter to the Editor.
78. Goldstein DJ, Mirkin LD. Nager acrofacial dysostosis: Evidence for apparent heterogeneity. Am J Med Genet 30:741 746, 1988.
79. Seo IS, Min KW, Mirkin LD. Hepatic hemangioendothelioma of infancy associated with elevated alpha-fetoprotein and catecholamine by products. Pediatr Pathol 8:625 631, 1988.
80. Seo IS, Min KW, Brodhecker C, Mirkin LD. Malignant renal rhabdoid tumor. Immunohistochemical and ultrastructural studies. Histopathology 13:657 666, 1988.
81. Mirkin LD. Velazquez’ dwarfs: A profusion of diagnoses. Letter to the Editor. JAMA 262:349 350, 1989.
82. Mirkin LD, Azzarelli B, Seo IS. Extrarenal Wilms tumor with cerebellar metastasis in a 4 year old girl with spina bifida. Am J Clin Pathol 93:805 809, 1990.
83. Seo IS, Gillim SE, Mirkin LD. Hyaline membranes in postmature infants. Pediatr Pathol 10: 539 548, 1990.
84. Mirkin LD. Research funding. FASEB J 5:2741, 1991. Letter to the Editor.
85. Mirkin LD, Wong RC. Giant cell tumor of soft tissue. Pediatric Forum 3:34, 1991.
86. Mirkin LD, Wong RC. Choroid plexus carcinoma. Pediatric Forum 4:12-13, 1992.
87. Mirkin LD, Wong RC. Granular cell tumor. Pediatric Forum 4:20, 1993.
88. Mirkin LD, Wong RC. Fibroma of tendon sheath. Pediatric Forum 5:4-5, 1993.
89. Mirkin LD, Wong RC. Intrauterine infarction of a pulmonary segment in a full-term newborn. Am J Clin Pathol 100:701-703, 1993.
90. Mirkin LD. Alternaria alternata infection of skin in a 6 year-old boy with aplastic anemia Pediatr Pathol 14:757-761, 1994.
91. Mirkin LD, Wong RC. Yolk sac tumor. Pediatric Forum 6:12-13, 1994.
92. Chen H, Mirkin LD, Yang S. A de novo 17q paracentric inversion mosaicism in a patient with Beemer-Langer type short rib-polydactyly syndrome with a special consideration to the classification of short rib-polydactyly syndromes. Am J Med Genet 53:165-171, 1994.
93. Mirkin LD. On children and lead poisoning – a morally repugnant report. STAT! 2:11, 1995.
94. Mirkin LD, Knisely A. Hyaline cartilage at porta hepatis in extrahepatic biliary atresia. Pediatr Pathol Lab Med 1997;17:587-591.
95. Mirkin LD, Mezoff A, Pysher TJ. Intestinal lymphangiectasia in a 33-month-old girl. Ann Diagn Paediatr Pathol 1998;2:31-35.
96. Mirkin LD, Ey EH, Chaparro M. Congenital subependymal giant-cell astrocytoma: case report with prenatal ultrasonogram. Pediatr Radiol 1999; 29:776-780.
97. Irazuzta JE, Mirkin LD, Zingarelli B. Mercaptoethylguanidine attenuates inflammation in bacterial meningitis in rabbits. Life Sciences 2000;67:365-372.
98. Mirkin LD. Pilomatrixoma. Pediatric Forum 2001;12:14.
99. Mirkin LD. Olfactory Neuroblastoma (esthesioneuroblastoma). Pediatric Forum 2004;15:9.
100. Mirkin LD. Carcinoid of appendix. Pediatric Forum 2005;16:9-10.
101. Cunha TS, Farah V, Aguiar JP, Pazzine M, Elased KM, Marcondes FK, Irigoyen MC, De Angelis K, Mirkin LD, Morris M. Relationship between renal and cardiovascular changes in a murine model of glucose intolerance. Regul Pept. 2006. DOI:10.1016/j.regpep. 2006.11.023 2006. Available on line at www.sciencedirect.com.
102. Mirkin LD. El rol del patólogo en su relación con el pediatra. Rev Ped Elec 2007, 4, N 2. ISSN 0718-0918. *
103. Mirkin LD, Patel M. Neurofibroma of parotid. Pediatric Forum 2007;19:3.
104. Mirkin LD. Patent Fight. Comment. www.washingtonpost.com/wp-dyn/content/article/ 2007/10/07/AR2007100701363_
105. Ganapathy S, Kleiner LI, Mirkin LD, Hall L. Intradural capillary hemangioma of the cauda equina. Pediatr Radiol 2008;38:1235-1238. DOI 10.1007/s00247-008-0947-1
106. Ganapathy S, Kleiner L, Mirkin LD, Broxson E. Unusual manifestations of astroblastoma: A radiologic-pathologic analysis. Pediatr Radiol 2009;39:168-171. DOI 10.1007/s00247- 008-1038-z.
107. Fulminant pertussis: A multi-centre study with new insights into the clinico-pathological mechanisms. Pediatr Pulmonol 2009;44:979-980. DOI 10.1002/ppul.21082.
108. Mirkin LD. Undifferentiated high grade pleomorphic sarcoma. Pediatric Forum 2010; 22:6.
109. Mirkin LD, Wheeler JJ. Frequency of childhood cancer types diagnosed and treated at Dayton Children’s: A comparison to national data. Pediatric Forum 2010; 22:9-10.
110. Rao AB, Pence J, Mirkin LD. Diffuse infantile hemangiomatosis of the ileum presenting with multiple perforations: A case report and review of the literature. J Pediatr Surg 2010;45:1890-1892.
111. Mirkin LD. Oops! We goofed! Medical Laboratory Observer 2011; 43:6. Letter to the editor.
112. Mirkin LD, Hurrell JM. Pediatric obesity and hepatic steatosis. Pediatric Forum. 2013:11-13.
113. Huffman B, Mirkin LD, Pascoe J, Schwing L, Riddiford R, Paton S, Wynn S. Community Health Needs Assessment Team.2-14 Community Health Needs Assessment. Dayton Children’s Hospital. www.childrensdayton.org. 2014.
114. Mirkin LD. Labs and public health. Letter to the Editor. CAP Today.2015:16. 2016.
115. Mirkin LD. Squamous cell carcinoma of vocal cords. Pediatric Forum.2015: 26;15-16.
116. Boyd B, Petkie D, Garber F, Kenyon L, Mirkin LD. Report from the Select Committee on Research Initiatives at Wright State. April 7, 2016. https://wright.edu/faculty-senate.
117. Extraadrenal pheochromocytoma (spinal paraganglioma). [Sent for publication]
118. Miller M, Ayoub D, Mirkin LD. The acute classical metaphyseal lesion (CML) is without hemorrhage: Evidence that question the CML is a fracture and that it has been the basis of incorrectly diagnosed cases of child abuse. [Sent for publication]
119. Cerebral histiocytic sarcoma in a 6-year-old boy. [Sent for publication]