منابع مشابه
Periportal Extramedullary Hematopoiesis
topic hematopoiesis that is a common feature of chronic bone marrow failure. However, EMH is rarely encountered in general radiological practice (1). A mass-like EMH lesion in the liver is an atypical presentation. Furthermore, hepatic periportal EMH is less common than other types of focal hepatic EMH (2). We present the sonographic and CT findings of a histologically confirmed case of hepatic...
متن کاملHomeostatic and pathogenic extramedullary hematopoiesis
Extramedullary hematopoiesis (EH) is defined as hematopoiesis occurring in organs outside of the bone marrow; it occurs in diverse conditions, including fetal development, normal immune responses, and pathological circumstances. During fetal development, before formation of mature marrow, EH occurs in the yolk sac, fetal liver, and spleen. EH also occurs during active immune responses to pathog...
متن کاملExtramedullary hematopoiesis in renal allograft
Extramedullary hematopoiesis (EMH), defined as the presence of hematopoietic elements outside of the medullary cavity of bone, has been reported in patients with various hematopoietic neoplasms including myelofibrosis. EMH commonly occurs in the liver and spleen (resulting in hepatosplenomegaly) and uncommonly involves the kidney. EMH involving the allograft kidney has not been reported in Engl...
متن کاملMiddle Ear Extramedullary Hematopoiesis: A Case Report
Background: Extramedullary hematopoiesis (EMH) in the middle ear is exceedingly rare, with fewer than five cases reported. The authors report the first Thai case of middle ear EMH. Case Report: A 32-year-old Thai thalassemic man presented with complaint of right-sided hearing loss from a middle ear mass. The CT/MRI was done and the diagnosis of EMH was confirmed by a pathological examination af...
متن کاملIntrathoracic extramedullary hematopoiesis related spontaneous hemothorax.
A 39-year-old man had the history of b-thalassemia intermedia and had undergone splenectomy in his childhood. Intrathoracic extramedullary hematopoiesis (EMH) mass was noted on routine follow-up image (Figure 1a). One day, he suffered from acute onset of right upper back pain with dyspnea. He was then sent to our emergency department, and the chest plain film revealed massive right pleural effu...
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ژورنال
عنوان ژورنال: Journal of the Korean Society of Radiology
سال: 2009
ISSN: 1738-2637
DOI: 10.3348/jksr.2009.61.6.401