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1.
Korean Journal of Radiology ; : S34-S38, 2008.
Article in English | WPRIM | ID: wpr-65664

ABSTRACT

We present a rare case of a focal intrahepatic extramedullary hematopoiesis (EMH) that mimicked a hypervascular hepatic neoplasm in a 33-year-old woman with idiopathic myelofibrosis. The lesion showed homogeneous and persistent enhancement on both contrast-enhanced CT and gadolinium-enhanced dynamic MR imaging. The lesion did not demonstrate an apparent signal drop on a T2*-weighted sequence following administration of a superparamagnetic iron-oxide agent (SHU 555A). A hepatocellular adenoma was the initial radiological diagnosis. To the best of our knowledge, this is the first report of a histopathologically proven intrahepatic EMH evaluated with dynamic- and SPIO-enhanced MRI.


Subject(s)
Adult , Humans , Male , Adenoma/diagnosis , Diagnosis, Differential , Hematopoiesis, Extramedullary , Liver/physiology , Liver Neoplasms/diagnosis , Magnetic Resonance Imaging , Primary Myelofibrosis/physiopathology
2.
Rev. Inst. Nac. Cancerol. (Méx.) ; 40(4): 195-8, oct.-dic. 1994. ilus
Article in Spanish | LILACS | ID: lil-147844

ABSTRACT

Diversos informes en la literatura han documentado alteraciones inmunológicas distintivas en pacientes con histiocitosis de células de Langerhans (HCL). Nosotros presentamos un caso de HCL en una mujer de 62 años de edad con lesión en cráneo, mielofribrosis y gamopatía policlonal asociadas a enfermedad activa. La patogenesis de esta asociación es incierta; sin embargo, hay evidencia de que esta alteración es manifestación de una pobre regulación en la activación de células de Langerhans con efecto en determinados controles inmunológicos


Subject(s)
Aged , Humans , Female , Biopsy/statistics & numerical data , Histiocytosis, Langerhans-Cell/immunology , Primary Myelofibrosis/complications , Primary Myelofibrosis/physiopathology
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