Jun 16

History (HX): Incidental finding on ultrasound exam
Findings:
Low attenuated subcapsular liver mass with peripheral nodular enhancement and filling in on delayed study.
Diagnose (DX): Liver hemangioma
Discussion:
Hemangioma is the most common benign tumor of the liver.
The classic diagnostic findings for hemangioma are as follows:
On unenhanced CT: Hypoattenuation similar to that of vessels
On dynamic contrast CT or MR imaging: Peripheral globular enhancement and a centripetal fill-in pattern with attenuation of enhancing areas identical to that aorta and blood pool.

Jun 16

History (HX): Dyspnea
Findings:
Complete collapse of right lung with heterogeneous attenuation value and obliteration of right bronchus related to tumoral involvement right sided pleural effusion
Diagnose (DX): Bronchogenic carcinoma (S.C.C)
Discussion:
In most cases of S.C.C tumor areas centrally within lobar or segmental bronchus. The central location of the tumor account for the presenting symptoms of cough and hemoptysis and common radiographic finding of a hilar mass with or without obstructive pneumonitis or atelectasis.

Jun 16

History (HX): Hirsutism
Findings:
Small 12×10 mm lesion in left adrenal gland
Normal right sided
Diagnose (DX): Adrenal adenoma
Discussion:
Unenhanced CT attenuation value can characterize an adrenal mass as a benign adenoma (adenoma attenuation value is lower than nonadenomas lesion 25H compared with 32H). Adenoma mean diameter is usually lower than nonadenomas. (<1 cm compared with 2/4 cm)

May 14

  HX:A 57 man year old with abdominal pain and nausea.

Findings: A large necrotic mass in jejunum with proximal

loope dilatation , omental fat involvement along with  lymph

nodes .

Diagnosis: malignant spindle cell tumor . 

Discussion: Malignant tumors of small bowel are rare

and accounts for the <2% of total GI malignancy.

Because of the heterogeneous and  aggressive nature many

of them present with recurrence and visceral metastasis.

May 14

 

HX: A 52y man complaining of hematuria and flank pain .

Findings: Large solid mass in right kidney .

The mass is causing distortion of the renal parenchyma ,

 collecting system and sinus fat.

Diagnosis: Renal cell carcinoma

Discussion : The most common primary malignant tumors

in adults, 80% of all malignant renal tumors , usually

between 40-60 years of age . Man to woman ratio are 2:1 ,

20-50% of hypernephroma  are associated with von hipple –

 lindau disease.

These tumors mostly spread by direct extension into the

renal pelvis and the blood stream , thus early spread to the

lungs is expected. Involvement of renal sinus soft tissue is

occurred. Secondary deposits to the bones , liver and

opposite kidney are commonly seen.

May 14

 HX: A 30y woman with left submandibular gland

 enlargement  and pain.

Findings: Large dense stone in left submandibular region ,

enlarged submandibular gland with dilated duct.

Diagnosis : Stone in Wharton’s duct, sialadenitis.  

Discussion:Sialolithiasis is most common disease of salivary

 gland , twice as

common in males as females , 80-95% occur in

submandibular gland or duct , stones are most common

cause of acute and chronic infection of salivary gland .

Jan 17

HX:A 70 year old man with anemia and right trunk palpable

mass, lower extremity DVT .

Findings: Thick fluid in posterior pararenal space,

heterogeneous enlargement of right psoas muscle.

Diagnosis: Anticoagulant related hematoma.

Discussion: Spontaneous bleeding is a serious complication

that should be promptly recognized and treated.

CT, a simple and safe imaging modality, plays an important

role in the accurate determination of the presence or

absence of an anticoagulant- related bleed , its extent, and

its precise location.

Jan 17

HX:A 56 year old woman , known case of ovarian cancer.

Findings: Soft tissue masses along omentum.

Diagnosis : peritoneal carcinomatosis( omental cake )

Diagnosis: Peritoneal seeding is the most common pathway

for the spread of ovarian cancer.

Because 90% of ovarian cancers are surface epithelial

carcinomas , that tumor cells are able to slough off the

ovary and the peritoneal circulation , thereby seeding

multiple sites.

Jan 17

HX:A 32 year old woman , long period of belly abdominal

pain .

Findings: Thick- wall bowel loops , interlope fluid .

abscess formation in left side of pelvis .

Diagnosis: Chron’s disease in rectosigmoid, involvement of

both fallopian tube, rectovesical fistula.

Discussion: Chron’s disease is a lifelong inflammatory bowel disease that usually is found in illeocecal
region. But it can develop anywhere in the digestive tract from the mouth to the anus. (Above case had rectosigmaid colon and adjacent anatomy involvement with normal illeocecal region on barium study).

Jan 17

HX:41 year old man- chemical exposure- dry cough- dypnea.

Findings: Mosaic pattern with exaggeration on expiration.

Diagnosis: Obliterative bronchiolitis related to chemical

War injury.

Discussion:OB is a disorder caused by partial or complete

obstruction of bronchi and bronchioles by fibrous tissue

following an insult to the lower respiratory tract.

In pediatric population OB is frequently preceded by respiratory infections caused

by adenovirus, influenza or measles, wheras in adults

mycoplasma, collagen vascular disease, inhaled toxin (like

this patient), drug therapy or idiopathic are included.