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TUBEROUS SCLEROSIS

Case 1747157
GU › Benign Mass, Cyst
36 year old female
2 CT images
Tuberous sclerosis with multiple large angiomyolipomas. Bilateral fat-containing masses of the kidneys. The imaging features are virtually pathognomonic in this case (there is no other reasonable diagnosis). Angiomyolipoma is the most common type of hamartoma of the kidney. … [view case]
06/14/2005.
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MULTILOCULAR CYSTIC NEPHROMA

Case 1747164
GU › Neoplasm
47 year old female
2 CT images
Multilocular cystic nephroma (CT scan following oral and intravenous contrast) shows a well-circumscribed renal mass. The mass has enhancing septa which create multiple cystic locules. Note crescentic claw or beak of normal renal parenchyma (arrow), establishing the kidney as the site … [view case]
06/14/2005.
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TERATOMA, OVARY

Case 1747172
GU › Neoplasm
old female
2 images (CT, US)
06/14/2005.
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GUIDELINES

Case 1747179
Other › Other
old
1 image
06/14/2005.
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ENDOMETRIOSIS

Case 1747184
GU › Benign Mass, Cyst
old female
4 MR images
Endometriosis (bilateral endometriomas). Bilateral masses with relatively low signal intensity on T2 and high SI on T1. From Woodward et al:Magnetic resonance imaging improves diagnostic accuracy, with endometriotic cysts typically appearing with high signal intensity on T1-we … [view case]
06/14/2005.
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HEMORRHAGIC OVARIAN CYST

Case 1747195
GU › Benign Mass, Cyst
32 year old female
4 US images
Presumed hemorrhagic cyst. Crenated / collapsed cyst of the right ovary. A small amount of free fluid (not shown).
06/14/2005.
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BILATERAL RENAL MASSES

Case 1747206
GU › Neoplasm
25 year old female
5 images (CT, MR)
metastatic papillary thyroid cancer bilateral renal masses
06/14/2005.
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TERATOMA (DERMOID CYST) OF THE OVARY

Case 1747219
GU › Neoplasm
old female
3 images (CT, US)
CT shows a fluid level and fatty attenuation within a well-marginated right-sided mass. Eccentric echogenicity is noted on the sonogram.
06/14/2005.
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EPIDERMOID CYST OF THE TESTIS

Case 1747228
GU › Benign Mass, Cyst
old male
4 US images
Epidermoid cyst. Well-marginated lamellated mass of the testis. Although the sonographic appearance is not pathognomonic, and surgical removal cannot be obviated, enucleation may be warranted rather than orchiectomy in view of the high probability that this represents an epidermoid cyst rather than a germ cell neoplasm.
06/14/2005.
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TESTIS TERATOMA

Case 1747239
GU › Neoplasm
old male
4 US images
Teratoma. Complex intratesticular mass with cystic foci.
06/14/2005.
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BUDD-CHIARI

Case 1747250
GI › Vascular
old
3 US images
Budd-Chiari Significantly limited visualization of the hepatic veins. obstruction of major hepatic veins etiology: thrombus (OCs, dehydration, septicemia, polycythemia vera, paroxysmal nocturnal hemoglobinuria) congenital (web in hepatic v. or IVC) tumor or other mass (eg, hyd … [view case]
06/14/2005.
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BRAIN ABSCESS

Case 1747259
Neuro › Infection
19 year old female
5 images (CT, MR)
streptococcal brain abscess right thalamic mass
06/14/2005.
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ECTOPIC, CORNUAL

Case 1747272
GU › Other
old
2 US images
Cornual ectopic. Eccentric gestational sac near the uterine fundus.
06/14/2005.
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BLADDER CARCINOMA, UROTHELIAL (MULTIFOCAL)

Case 1747290
GU › Neoplasm
old
4 images (CT, US)
06/14/2005.
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OVARIAN CANCER (MALIGNANT MIXED MULLERIAN TU…

Case 1747301
GU › Neoplasm
old female
6 CT images
Ovarian carcinoma(MMMT). Slightly heterogeneous solid mass. Small omental implants anteriorly on the right. Omental disease was confirmed at surgery.
06/14/2005.
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RCC

Case 1747316
GU › Neoplasm
old male
1 CT image
RENAL CELL CA LEFT RENAL MASS
06/14/2005.
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EPIDERMOID CYST OF THE TESTIS

Case 1747321
GU › Benign Mass, Cyst
old male
8 US images
Epidermoid cyst. Multiple cases. From Cho et al: The histogenesis of testicular epidermoid cysts has not been completely proved, but most investigators suggest that these tumors are a monodermal development of a teratoma [1] or a squamous metaplasia of the seminiferous epithe … [view case]
06/14/2005.
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POPLITEAL DVT

Case 1747340
Vascular/Lymphatic › Vascular
old
1 US image
06/14/2005.
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CAROTID PLAQUE, SOFT

Case 1747345
Vascular/Lymphatic › Vascular
old
1 US image
Soft plaque. Eccentric plaque with low level echogenicity. From Misty Baker (www) Ultrasound has been used to image and characterize plaque within the carotids. It is characterized as low, medium, or high in echogenicity and as homogenous or heterogenous. Low echo plaque conta … [view case]
06/14/2005.
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ESOPHAGEAL CANDIDIASIS

Case 1747350
GI › Infection
40 year old male
1 GI image
Candidiasis. Markedly irregular ("shaggy") mucosa. This patient was being treated for leukemia.
06/14/2005.
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INTUSSUSCEPTION

Case 1747355
GI › Other
old
5 CT images
06/14/2005.
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MYELOLIPOMA (ADRENAL)

Case 1747383
GU › Benign Mass, Cyst
old
1 CT image
Myelolipoma of the adrenal. Differential diagnosis includes liposarcoma, teratoma, angiomyolipoma. Essential element (not possible on this isolated image) is organ of origin. Supra-renal heterogeneous well-marginated fat-containing mass. Myelolipoma is a benign tumor consist … [view case]
06/14/2005.
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INFARCT, TESTICULAR, FOCAL, SECONDARY TO VAS…

Case 1747388
GU › Vascular
old
2 US images
Focal infarct secondary to vasculitis. Wedge-shaped perfusion alteration.
06/14/2005.
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TRANSITIONAL CELL CARCINOMA OF THE RENAL PEL…

Case 1747395
GU › Neoplasm
old
3 CT images
Transitional cell (urothelial) carcinoma with invasion. Infiltrative density of the right kidney with stranding density of the perinephric fat. From Pickhardt et al: Most renal masses exhibit an expansile growth pattern characterized by radial tumor enlargement that displaces … [view case]
06/14/2005.
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CECAL LIPOMA

Case 1747404
GI › Benign Mass, Cyst
old
4 CT images
Lipoma of the cecum.
06/14/2005.
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BLADDER CARCINOMA IN A DIVERTICULUM

Case 1747415
GU › Neoplasm
old
2 images (CT, GU)
Bladder diverticulum. Transitional cell (urothelial) carcinoma. Filling defect in diverticulum. Trabeculated bladder.
06/14/2005.
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DIVERTICULITIS

Case 1747422
GI › Infection
old
3 CT images
Diverticulitis
06/14/2005.
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GALLBLADDER CARCINOMA

Case 1747431
GI › Neoplasm
old
Carcinoma of the gallbladder Primary carcinoma of the gallbladder is an uncommon, aggressive malignancy that affects women more frequently than men. Older age groups are most often affected, and coexisting gallstones are present in the vast majority of cases. The symptoms at … [view case]
06/14/2005.
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JUXTACAVAL FAT

Case 287594
Vascular/Lymphatic › Normal/Variants
61 year old male
2 CT images
Juxtacaval fat Juxta caval fat - appears like a caval thrombus
By jonathan mates, Resident
06/11/2005.
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STENO-COSTAL-CLAVICULAR ABSCESS/ OSTEOMYELIT…

Case 287684
MSK › Infection
61 year old
2 images
Right sterno-cost-clavicular abscess. Asymmetric increased opacity over the right sternoclav/costal junction on the right. Rare finding, when seen, seen in IV drug users or immunocompromised patients.
By jonathan mates, Resident
06/11/2005.
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PERIAPICAL CYST OR GRANULOMA

Case 183194
Face/Neck › Benign Mass, Cyst
25 year old female
Periapical cyst or granuloma. Well-circumscribed cystic structure at the root of the right central incisor, with a sclerotic rim and bony expansion of the maxilla. Thinning of the anterior maxillary cortex.
By jonathan mates, Resident
06/11/2005.
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SPN STUDY, POSSIBLE BLASTOMYCOSIS.

Case 1717483
Chest › Other
44 year old female
1. Abnormal diffusely intense right lung hypermetabolic activity as described, corresponding with a consolidative process on CT scan. Additional patchy hypermetabolic activity in the bilateral apices and right lower lung. Overall findings are of concern for an infective process, possibly blastomycosis … [view case]
By Francis Isidoro, Fellow
06/07/2005.
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HEMATURIA

Case 1714677
GU › Other
68 year old male
3 images
jackstone
By lisa finch, Resident
06/06/2005.
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HUBER

Case 1713664
Other › Trauma
43 year old male
10 images
ddx: anterior mediastinal mass normal thymus = < 13mm for >20 yo. convex margins abnormal in adults >30 thymoma- most common ant mediastinal tumor in the adult 25-30% invasive = malignant thymoma... local spread/drops only 35% of … [view case]
By lisa finch, Resident
06/06/2005.
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CALL CASE

Case 1713802
Other › Other
old
3 images
By lisa finch, Resident
06/06/2005.
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WALLACE

Case 1713864
Other › Other
old
10 images
ddx: lymphoma duplication cyst dx: Castleman's disease (aka giant b9 lymph node hyperplasia) large mediastinal node mass, etiol unknown two hysto types: hyaline vascular (90%), plasma cell (10%) assoc w/ B-symptoms (night sweats, fever, etc) age … [view case]
By lisa finch, Resident
06/06/2005.
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CUANAN

Case 1713956
Vascular/Lymphatic › Other
old
7 images
retroperitoneal mass vs hematoma on ourside ct
By lisa finch, Resident
06/06/2005.
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FABIO

Case 1713749
Other › Other
old
6 images
Pulm hamartoma. composed on predominantly cartilage, connective tissue, muscle, fat and bone 90% are peripheral 10% endobronchial look like well-circumscribed solitary nodules chondroid "popcorn" calc is diagnostic, but uncommon (<20%) fat attenuation by HRCT is pathognomonic
By lisa finch, Resident
06/06/2005.
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BURDETTE

Case 1713781
Other › Other
89 year old male
3 images
By lisa finch, Resident
06/06/2005.
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FDG PET CARDIAC VIABILITY WITH RESTING RB-82…

Case 1711402
Heart › Normal/Variants
45 year old female
6 PET images
NORMAL PET MYOCARDIAL VIABILITY STUDY Perfusion: The resting Rubidium-82 images show no transmural perfusion defects. Metabolism: The FDG PET images show normal uptake of FDG throughout the LV myocardium. This case was included just to show a normal study. Although the perfu … [view case]
By Francis Isidoro, Fellow
06/05/2005.
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FDG PET CARDIAC VIABILITY WITH RESTING RB-82…

Case 1710922
Heart › Metabolic
73 year old male
6 PET images
1. Viable distal half of the anterior wall. 2. Nonviable basal half of the inferior wall. 3. Findings suggestive of metabolic ischemia in the anterolateral and lateral walls Perfusion: The Rubidium perfusion images show decreased perfusion in the distal half of anterior and the adjac … [view case]
By Francis Isidoro, Fellow
06/05/2005.
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FDG PET CARDIAC VIABILITY WITH RESTING RB-82…

Case 1710617
Heart › Metabolic
66 year old male
6 PET images
THE PERFUSION DEFECT IN THE DISTAL ANTERIOR WALL AND APEX IS NOT ONLY VIABLE BUT DEMONSTRATES MARKED METABOLIC ISCHEMIA. The resting Rubidium perfusion images show a transmural defect involving the distal anterior wall and the apex. No other significant transmural perfsuion defects w … [view case]
By Francis Isidoro, Fellow
06/05/2005.
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FDG PET CARDIAC VIABILITY WITH RESTING RB-82…

Case 1711201
Heart › Metabolic
67 year old male
6 PET images
1. NONVIABLE LATERAL WALL. 2. VIABLE ANTERIOR WALL, WITH POSSIBLE METABOLIC ISCHEMIA IN THE ANTEROLATERAL WALL.. 3. THE REMAINING LV MYOCARDIUM IS NORMAL The images show a dilated left ventricle. There is a perfusion defect in the lateral wall. The lateral wall perfsuion defectt … [view case]
By Francis Isidoro, Fellow
06/05/2005.
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FDG PET CARDIAC VIABILITY WITH RESTING RB-82…

Case 1711650
Heart › Metabolic
60 year old male
6 PET images
1. Small area of viable myocardium in the distal inferolateral wall. 2. Nonviable basal and mid inferolateral myocardium. The Rubidium perfusion images show a dilated left ventricle. There is a large perfusion defect involving the inferolateral wall. The FDG images show uptake in the … [view case]
By Francis Isidoro, Fellow
06/05/2005.
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FDG PET CARDIAC VIABILITY WITH RESTING RB-82…

Case 1711560
Heart › Metabolic
68 year old female
6 PET images
1. THE PERFUSION DEFECT IN THE DISTAL ANTERIOR WALL AND APEX IS NON-VIABLE. 2. THE PERFUSION DEFECT IN THE SEPTUM IS PARTIALLY VIABLE. 3. THE REST OF THE LV MYOCARDIUM IS VIABLE. Perfusion: Rubidium perfusion images show a decrease in perfusion in the distal anterior wall and apex. Ad … [view case]
By Francis Isidoro, Fellow
06/05/2005.
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GU CASE OF THE WEEK MAY 18, 2005 (RENAL ABSC…

Case 1647329
GU › Other
50 year old male
1 CT image
Abscess. (The differential diagnosis includes abscess and renal cell carcinoma. The fat stranding and the history of pain probably favor the former.) Thick-walled preumably cystic mass right kidney. Note stranding of adjacent fat. This particular case arose in a pre-existing cyst (based on a CT from two years earlier; not shown).
06/04/2005.
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FDG PET BRAIN METABOLISM, ALZHEIMERS DEMENTI…

Case 1708675
Neuro › Other
67 year old female
6 PET images
Superior frontal lobe cortical metabolic activity is mildly decreased. Otherwise, there is no definite evidence of Alzheimer's dementia. Posterior parietal activity is mildly homogenous with no definite decreased metabolic activity. A small area in the anterior/superior frontal lobe c … [view case]
By Francis Isidoro, Fellow
06/04/2005.
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FDG PET BRAIN METABOLISM, ALZHEIMERS DEMENTI…

Case 1708610
Neuro › Other
56 year old female
5 PET images
The above findings represent a pattern that is likely compatible with Alzheimer's disease. The PET images show significantly decreased uptake of FDG in the posterior parietotemporal cortex, bilaterally. The uptake of FDG in the frontal cortex and in the sensorimeotor cortex appears t … [view case]
By Francis Isidoro, Fellow
06/04/2005.
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FDG PET BRAIN METABOLISM, ENCEPHALOPATHY EVA…

Case 1708907
Neuro › Normal/Variants
32 year old male
6 PET images
Normal physiologic uptake of FDG in the brain. The images show physiologic uptake of radiotracer in the cortical ribbon. There is symmetric uptake of radiotracer in the bilateral caudate nuclei, putamen and in the thalamic nuclei. This is no significant asymmetry noted in uptake of FD … [view case]
By Francis Isidoro, Fellow
06/04/2005.
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ALZHEIMER'S FDG PET

Case 1708770
Neuro › Other
56 year old female
5 PET images
Findings represent a pattern that is likely compatible with Alzheimer's disease. The PET images show significantly decreased uptake of FDG in the posterior parietotemporal cortex, bilaterally. The uptake of FDG in the frontal cortex and in the sensorimeotor cortex appears to be pre … [view case]
By Vijendra Rao, Fellow
06/04/2005.
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