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 Wysłany: Pią 23:12, 18 Mar 2011 Temat postu: Intrathoracic extramedullary hematopoietic tissue |
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Intrathoracic extramedullary hematopoietic tissue imaging findings (1 case report and literature review)
Grid. Following foot ankle tarsus similar changes. Patients suffering from Mediterranean with long-term poverty and years of chest bleed at the nose J 2 is a physiological compensatory EMH discussed phenomenon, more common in patients with hematopoietic dysfunction, the original multi-system disease thalassemia and inherited polycythemia,[link widoczny dla zalogowanych], liver and spleen for the common good site. Were extremely rare occurrence in the chest. In the past 1O years of relevant literature, the author found about six reports on intrathoracic EMH in cases involving less than 1O cases (there is no large reports). Thalassemia patients are mostly male, only 1 female, aged 24 to 47 years. In these reports, some only reported the x-ray findings, there are also reports the performance of X ray and CT or MR expression]. In summary the literature and the case report, the authors found that most of intrathoracic EMH have similar imaging findings, ie X ray and CT examination often next to the post-mediastinal thoracic groove or single hair multiple tumor-like mass in soft tissue, was semi-circular, mound-shaped, pie, density and more uniform, clear boundary can be partakers leaves,[link widoczny dla zalogowanych], lesions can be located next to one side or both sides of the thoracic spine, upper, middle and lower mediastinum adjacent to any part of the spine can occur, in this case also the same time next EMH associated with retrosternal mass (has not been reported in the literature),[link widoczny dla zalogowanych], CT enhanced mass may have strengthened. MR examination was found in the mass in the T and T-weighted image showed low signal in the [one. It is remarkable, CT scans often seen within the mass perpendicular to the basal-like calcification of bone needles, this case report, and Li, water, etc.] were found in the medical record reported that the signs, so that the signs on the tips of intrathoracic EMH some help. Because the density of ordinary resolution x-ray film is less than CT. To find such a delicate bone mass within the needle-like calcification is often difficult, it is suggested that when the x-ray examination parasternal thoracic mass and adjacent to or other than intrathoracic EMH is not when the CT examination should be done in order to observe in detail the internal situation followed by mass mass adjacent to the above there are certain features of bone changes, documents and reports indicate that in this case more than a clubbing back ribs swollen canal expansion, bone thinning and coarse texture. Towards the chest is often accompanied by side next to the cortical bone mass and with mass close to the base, so I agree with the formation of tumor-like EMH is the proliferation of bone marrow lesions argument. Small number of patients can also be found vertebrae, lateral clavicle, acromion, sternum (as in this example) and other bone marrow or even expand the distal limbs, bone disorder in a grid-like texture sparse arrangement, in which thoracic vertebral trabecular bone due to osteoporosis and thick in the CT image on axial vertebral hemangioma mimicking. Compensatory change the bone strong and bone marrow hematopoietic hyperplasia [8]. Intrathoracic EMH mass generally no obvious symptoms, no surgery without complications, and long. Although the disease is less common, but especially the CT imaging manifestations remain certain features, such as to combine history,[link widoczny dla zalogowanych], and more correct diagnosis can be made, subject to and after the mediastinal neurogenic tumors, lymphoma and other identification. If the merger of multiple chest wall and thoracic spine and other skeletal changes, must and multiple myeloma and bone metastases and other identification, if necessary,[link widoczny dla zalogowanych], still need to biopsy.
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