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Retroperitoneal
for test #3
47
Pathology
Undergraduate 1
04/13/2011

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Term
paraortic lymph nodes
Definition
not seen unless enlarged, 1-3cm rounded echo-poor mass, <3m may displace surrounding structures.
Term
mantle sign
Definition
group of nodes surrounding the aorta
Term
sandwich sign
Definition
group of nodes surrounding the mesenteric vessels
Term
adrenal cyst
Definition
unilateral, uni or multilocular, may become calcified, an incidental findings
Term
cortical syndromes
Definition
addison's, adrenogenital, conn's, cushings, waterhouse-friderichsen
Term
Addison's syndrome
Definition
adrenal hypofunction of adrenal or pituitary origin, tumor or mets,
Term
adrenogenital syndrome
Definition
excretes excess androgens producing abberant sex traits
Term
conn's syndrome
Definition
excessive excretion of aldosterone
Term
cushing's syndrome
Definition
excessive excretion of glucocorticoids, upper torso fat pads
Term
waterhouse-friderichsen syndrome
Definition
adrenal hemorrage caused by meningococcal infection
Term
adrenal tumor
Definition
pheochromocytoma, adrenal neuroblastoma
Term
pheochromocytoma
Definition
excessive epinephrine and norepinephrine, hypertension, variable appearing mass
Term
black color tumor
Definition
pheochromocytoma
Term
adrenal neuroblastoma
Definition
echogenic mass that arises in medulla
Term
most common malignancy of adrenals in childhood
Definition
adrenal neuroblastoma
Term
primary retroperitoneal tumors
Definition
leiomyosarcoma, liposarcoma, fibrosarcoma, rhabdomyosarcoma, teratoma
Term
Leiomyosarcoma
Definition
solid/complex with possible necrosis and cystic degeneration
Term
liposarcoma
Definition
echogenic tumor
Term
fibrosarcoma and rhabdomyosarcoma
Definition
highly reflective with invasion into surrounding tissue
Term
teratoma
Definition
complex, arise within upper retroperitomeum and pelvis, may contain bone, teeth, cartilage
Term
retroperioneal fluid collection
Definition
urinoma, hemorrahage, abscess
Term
urinoma
Definition
walled-off collection of urine, occurs secondary to trauma, surgery or urinary obstruction
Term
hemorrhage
Definition
u/s finding vary to age of blood due to trauma, vasculitis, leaking AAA, or bleeding neoplasm
Term
abscess
Definition
complex pattern with debris from trauma, surgery, GI perforation.
Term
retroperitoneal fibrosis
Definition
thick sheets of fibrous tissue in retroperitoneum. may occur with AAA, also know as Ormond's disease
Term
discrete mass anterior and lateral to great vessels, may compress the IVC, AO, or ureters
Definition
retroperitoneal fibrosis
Term
adrenal glands
Definition
produce cortizone
Term
enlargement
Definition
hyperplasia
Term
medulla
Definition
center tissue of adrenal gland that secretes epinephrine and norepinephrine
Term
androgen
Definition
male sex hormone
Term
estrogen
Definition
female sex hormone
Term
ACTH
Definition
adrenocoricotropic hormone
Term
hypofunction of adrenal cortex
Definition
Addison's disease
Term
mineralocorticoids
Definition
regulates electrolyte metabolism
Term
glucocordicoids
Definition
regulates carbohydrate metabolism
Term
principal mineralcorticoid
Definition
aldosterone
Term
[image]
Definition
retroperitoneal cyst
Term
[image]
Definition
enlarged lymphnodes
Term
[image]
Definition
pheochromocytoma
Term
condition caused by hypersecretion of hormones from the adrenal cortex
Definition
Cushing's syndrome
Term
malignancy that primarily affects the lymph nodes, spleen, or liver
Definition
lymphoma
Term
multiple enlarged lymph nodes
Definition
adenopathy
Term
smooth, round, benign tumor of adrenal cortex associated with cushing's syndrome
Definition
adenoma
Term
malignant adrenal mass in pediatric patient
Definition
neuroblastoma
Term
hormone secreted by pituitary gland
Definition
ACTH
Term
outer parechyma of adrenal gland that secretes steroid hormones called coricoids
Definition
cortex
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