医学影像学简答题（Medical imaging simplified answer ）.doc

医学影像学简答题（Medical imaging simplified answer ）.doc医学影像学简答题2(Medical imaging simplified answer 2)
X-ray findings of a in 1.
Three types
The hardening a tumor abundant new bone formation
The large us bone, patchy tumor of bone, higher density, obvious change showed a large ivory.
The soft tissue masses have more bone tumor.
The bone destruction was not significant in general.
The periosteal proliferation obviously.
The osteolytic type a
The sieve, vermiculata, lamellar bone destruction
It is easy to cause pathological fracture
The general was still a small tumor of bone and periosteum hyperplasia (such as tumor of bone is not obvious, X-ray diagnosis difficulties)
3. The co-existence of the two hybrid
The formation of tumor bone in a is the main basis for X - ray diagnosis
According to bone mineral density and morphology of tumor
X - ray findings of 2. cases of infiltrative pulmonary tuberculosis
2) invasive pulmonary tuberculosis is the body re infection of tuberculosis, because the body has a certain immunity to tuberculosis, so the lesion is limited, often located in the lungs of the tip, posterior and lower lobe dorsal segment. The localized patchy lesions of the upper lung include exudation, proliferation, calcification of the hard nodes, fibrosis, cavities, or masses, lobar caseous pneumonia, and cavitation like cavities. Can also appear in the lower lung lesions disseminated, see small patchy shadow along the bronchial distribution. Tuberculoma, characterized by a mass of 2 to 3cm, has a well-defined border, high density, punctate or annular calcification, and satellite foci around tuberculoma
X ray findings of 3. hematogenous disseminated pulmonary tuberculosis (type II)
Classification: acute, subacute and chronic hematogenous disseminated pulmonary tuberculosis
X: 1 the acute hematogenous disseminated pulmonary tuberculosis
It is also called acute miliary pulmonary tuberculosis with diffuse miliary shadow in the two lung;
The size of millet grain is 1 ~ 2mm, and the edge is clear;
(3) t