Spleen and Lymph

What is the most common primary malignancy of the spleen?

Angiosarcoma

5. Mets to the spleen are very common. If there a Bull's Eye lesions then the primary is most likely: Select one: a. Malignant Melanoma b. Lung c. Breast d. Ovarian e. Colon

Colon Feedback: This slide was directly from your outline. Melanoma is the most frequent to metastasize to the spleen but if the lesions are Bull's Eye or Target in appearance they are most likely from Colon Cancer.

If you knew that the patient had previously been diagnosed with histoplasmosis, what would you expect to see in the spleen?

Granulomas

Generalized enlargement of the spleen is termed:

Splenomegaly

The appearance of an echogenic center within a lymph node is indicative of inflammation. Select one: a. True b. False

The Correct answer is False: It is called a fatty hilum and is normal.

The splenic vein is the spleen's major source of nutrient rich blood. Select one: True False

The correct answer is 'False'.

1. The spleen is a retroperitoneal organ and is part of the reticuloendothelial system. a. True b. False

False: Feedback: It is part of the reticuloendothelial system, but it is an intraperitonal organ.

____is characterized by overproduction of RBC's. So patients become sluggish and experience flu like symptoms.

Polycythemia Vera

The function of the Spleen is production of: Select one: a. Lymphocytes b. Plasma cells c. Iron d. Metabolites e. Antibodies f. A, B, and E g. B and D

The correct answer is: A, B, and E

These images most likely represent which of the following? Select one: a. Acessory spleen b. Mass in the tail of the pancreas c. Antrum of the stomach d. Lymphadenopathy

The correct answer is: Acessory spleen

What is the imaging modality of choice for diagnosing a splenic hematoma?

The correct answer is: CT

The spleen's normal echogenicity when compared to the liver is (pick 2): Select one or more: a. Hyperechoic b. Hypoechoic c. Isoechoic d. Anechoic e. Transonic

The correct answer is: Hypoechoic, Isoechoic

The spleen is responsible for storage of: (more than one) Select one or more: a. Lymphocytes b. Iron c. Lipids d. Metabolites e. Antibodies

The correct answer is: Iron, Lipids, Metabolites

What is imaged? Select one: a. Lymphadenopathy b. Dilated bowel c. Fecal matter d. Enlarged uncinate

The correct answer is: Lymphadenopathy

This image demonstrates which of the following? Select one: a. Splenomegaly b. Normal spleen c. Atrophied left kidney d. Normal Liver

The correct answer is: Splenomegaly

Which of the following is Not true reagarding this image? Select one: a. Most common cause is histoplasmosis b. calcifications from old abscesses c. Within the splenic parenchyma d. Well defined incidental finding e. Symptomatic

The correct answer is: Symptomatic

Lymph nodes follow the great vessels in the abdomen. a. True b. False

The correct answer is: True

Patients with polycystic kidney disease may also have associated cysts within the spleen. a. True b. False

The correct answer is: True

This is a transverse image of the spleen. Select one: a. True b. False

The correct answer is: True

This is an image of a longitudinal spleen. Select one: a. True b. False

The correct answer is: True

If this spleen measures 125mm, is it within normal limits? Select one: a. Yes or 12.5 cm b. No

The correct answer is: Yes

The normal sonographic texture of the spleen is: Select one: a. homogeneous with internal echoes equal to or less echogenic than those of the liver. b. hypoechoic c. heterogenous with internal echoes isoechoic but more echogenic than the liver d. hyperechoic

The correct answer is: homogeneous with internal echoes equal to or less echogenic than those of the liver.

A 39-year-old female with Stage IV melanoma. What does this image of her spleen suggest? Select one: a. splenomegaly b. Enalrged nodes are seen c. metastatic disease to the spleen d. Her primary began in the spleen

The correct answer is: metastatic disease to the spleen

The spleen is: Select one: a. a contributor to the production of alkaline phosphatase b. the smallest organ containing lymphoid tissue in the body c. not a part of the reticuloendothelial system d. the center for hematopoietic activity

The correct answer is: the center for hematopoietic activity.

Which of the following is the main reason for massive splenic enlargement? Select one: a. Acute Lymphocytic Leukemia b. Chronic Lymphocytic Leukemia c. Chronic Myelogenous Leukemia d. Monocytic Leukemia

c. Chronic Myelogenous Leukemia