Background: Hashimoto's thyroiditis cannot be distinguished from those of multinodular goitre (MNG). Basically the thyroid is enlarged bilaterally with an uneven parenchymal pattern mainly showing decrease in the normal echogenicity. The ultrasound appearance of Hashimoto's thytoiditis is that of a diffuse glandular enlargement with irregular lobulated margins. There is a generalised decrease in parenchymal reflectivity with a typical lobulated pattern due to highly reflective fibrous bands which separate the echo poor areas. Subjects and Methods: Based on the inclusion and exclusion criteria, 80 cases of thyroid lesions diagnosed by ultrasound were included in the study. The ultrasonography and ultrasound elastography examination was done in the department of Radiology .These 80 cases which were found to have thyroid lesion on ultrasound were subjected to FNAC for confirmation of ultrasound finding and establishment of final diagnosis. Results: Study showed no vascularity (TYPE1) and (TYPE2) peripheral vascularity in 100% of benign nodules, none of the malignant nodules showed type 1 and 2 vascularity. 95.2% of benign nodules showed TYPE 3 vascularity and 4.76% of cases were malignant. Conclusion: 40% of the benign nodules showed intra nodular vascularity (TYPE4) and 60% of the cases were malignant.

CT and HRCT how largely replaced radiological procedures such has bronchography and pulmonary angiography for evolution of parenchyma lung diseases. HRCT has enabled the delineation of lung parenchyma down to the level of secondary pulmonary lobule (Mayo R et al., 1987). Further advancement in CT Technologies by spiral CT and ultra fast CT have still consolidated the role of CT in evolution thoracic diseases. Spiral CT facilitate generation of 3D images of lung that or not degraded by respiratory motion and is much faster at acquisition time ensuring evaluation of lung during maximum vascular enhancements. In this study CT evaluation of 50 patients with either proven or strongly suspected bronchogenic carcicnoma based on chest radiographs, bronchoscopy, cytology of bronchial washings or pleural fluid, FNAC or clinical examination was done. The most common cell type in bronchogenic carcinoma was squamous cell carcinoma in 33 patient (66%) followed by adenocarcinoma Majority of the adenocarcinoma cell type are presenting as central masses than peripheral (18% v/s 6%).

HRCT delineation of lung parenchyma down to the level of the secondary pulmonary lobule is possible. Spiral CT introduced in the early 1990's lead to an increase in utilization CT, a revolution that continued with advent of multi detector row CT (MDTC) scanners more recently. Helical technology permits multiple phases of scanning to be obtained often one contrast injection. In this study CT evaluation of 50 patients with either proven or strongly suspected bronchogenic carcicnoma based on chest radiographs, bronchoscopy, cytology of bronchial washings or pleural fluid, FNAC or clinical examination was done.Before commencing CT examination, all the preceding historical, clinical & laboratory data are recorded. Most of the bronchogenic carcinoma are heterogeneously enhancing (54.3%),with ill defined/ speculated margins (73.9%) and associated with necrosis in 43.47%of cases .calcification rarely found (13%).

Various types of tumors may be found inside liver, either benign or malign. First, benign liver tumors are quite common; such lesions are indeed found in 1% of population. The most common benign tumors are the hemangioma and cysts. Then, many malign lesions may be found inside the liver. These tumors are deadly; liver cancer is indeed the 4th deadliest cancer worldwide after lungs, stomach and not far from colorectal cancers. Several primary cancers may be found such as Hepatocellular Carcinoma (HCC) or Cholangiocarcinoma (CCC). The blood flow inside the liver is indeed second only to the lungs and its location favors the apparition of metastases from digestive cancers. The prospective study included 50 patients of hepato-biliary malignancies being treated at Tertiary care Hospital. The mean age was 55yrs with age range of 35-85yrs.Male to female ratio was 1:2.1. Hepatic metastic disease in the single most common malignant tumor in our study (28 patients out of 53) accounting for 52% of cases. Next most common malignant tumor is gall bladder carcinoma, which accounts for 34% (18 patients out of 53). Pain abdomen (72%), weight loss (28%) and mass per abdomen (23%) are the most common symptoms in order of frequency. Abdominal tenderness is the modt common clinical finding (53%), followed by hepatomegaly (23%).

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