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Pyosalpinx

Schematic shows distended , thick walled pus filled distal half of the fallopian tube  COLOR DOPPLER – Hypoechoic tube like structure with echogenic material and surronding vascularity.   Axial Pelvic CT  post contrast shows B/L distended , thick walled fallopian tubes with wall enhancement and filled with pus   Axial Pelvic CT demonstrates tubular salpinx […]

Adrenal Cortical Carcinoma

Adrenal cortical carcinomas (ACC) are rare and have a bimodal age distribution with peak incidence in the first year and fourth decade of life. On CT, adrenal carcinomas appear as heterogenous masses. Half are calcified. Sometimes ACC’s can be confused with renal cell carcinomas. 95% of ACC’s are functioning tumors. Most cause virilization. Many cause […]

Orbital Pseudotumor vs Thyroid Ophthalmopathy

        Orbital Pseudotumour Pseudotunor Imaging reveals an enlargement of one or more extraocular muscles along with enlargement of their tendons. Mostly unilateral.Thyroid horone levels normal   THYROID OPHTHALMOPATHY Patients who have Graves’ ophthalmopathy may have symptoms similar to those of patients who have orbital myositis,(pseudotumor) but usually have enlargement of the extraocular muscles […]

Difference between Neuroblastoma and Wilm’s tumor

WILM’S TUMOR NEUROBLASTOMA 1)NB usually crosses midline, Wilm’s usually dont 2)Calcification common in NB90%, rare in Wilm’s, 10 – 15% 3)vessel encasement common in NB, displacement common in Wilm’s 4)wilms intrarenal, nb extrarenal 5)Retroperitoneal lymphadenopathy or contiguous extension of the primary tumor in the retroperitoneal space occurred frequently in neuroblastoma, and seldom seen in Wilms […]

Basal Ganglia Calcification

  Causes of basal ganglia calcification include:  1- Physiological aging.  2- Infections/inflammatory: TORCH, TB, cysticercosis, measles, chickenpox, pertussis, Coxsackie B virus, AIDS, SLE.  3- Toxins: lead, carbon monoxide, birth anoxia/hypoxia, chemotherapy/radiotherapy, nephrotic syndrome.  4- Congenital: Cockayne’s, Fahr’s and Down’s syndromes, neurofibromatosis, tuberous sclerosis, methaemaglobinopathy.  5- Endocrine: hypothyroidism, hypoparathyroidism, pseudhypoparathyroidism, pseudopseudohypoparathyroidism, […]

HEMANGIOENDOTHELIOMA

  Most common benign vascular hepatic tumor in the first year of life and most common symptomatic tumor in the first 6 months of life CT: Well-defined solid mass that often has central areas of necrosis and fibrosis Low attenuation on noncontrast images relative to normal surrounding hepatic parenchyma Contrast enhancement may resemble that of […]

Pulmonary neoplasm QUIZ

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