Search results for “also”
1,010 results found
Question
Question 45
Looser zones, also called Umbauzonen or Milkman lines, are characteristically seen in which of the following conditions?
Article
Wilms tumor
Wilms tumor, also known as nephroblastoma, is a malignant pediatric renal tumor.
Epidemiology
Wilms tumors are the most common pediatric renal mass, accounting for over 85% of cases 1,8 and account for 7% of all childhood cancers 12. They typically occur in early childhood (1-11 years) with pe...
Article
Acute non-traumatic abdominal pain in pregnancy
Acute non-traumatic abdominal pain in pregnancy requires a considered imaging approach due to the increased risks of fetal demise associated with undiagnosed diseases such as perforated acute appendicitis. Ultrasound is the first-line modality due to its wide availability and ability to diagnose...
Article
Syphilis
Syphilis is the result of infection with the gram-negative spirochete Treponema pallidum, subspecies pallidum. It results in a heterogeneous spectrum of disease with many systems that can potentially be involved, which are discussed separately.
Epidemiology
Despite the discovery of penicillin...
Article
Urolithiasis
Urolithiasis refers to the presence of calculi anywhere along the course of the urinary tracts. For the purpose of the article, the terms urolithiasis, nephrolithiasis, and renal/kidney stones are used interchangeably, although some authors have slightly varying definitions of each.
See main a...
Article
Pheochromocytoma
Pheochromocytomas are an uncommon tumor of the adrenal gland, with characteristic clinical, and to a lesser degree, imaging features. The tumors are said to follow a 10% rule:
~10% are extra-adrenal
~10% are bilateral
~10% are malignant
~10% are found in children
~10% are not associated wit...
Article
Urinary bladder hernia
Herniation of the urinary bladder is a relatively uncommon but not a rare condition. It occurs when the urinary bladder or ureter herniates into the inguinal canal, scrotal sac or femoral canal. Herniations through ischiorectal, obturator, or abdominal wall openings have also been described. Bla...
Article
Lead poisoning
Lead poisoning or plumbism refers to the multi-organ toxicity exerted by exposure to lead. Manifestations differ based on a myriad of features including chronicity, exposure intensity, and age. Neurologic toxicity and hematologic toxicity are common features. Clinical manifestations vary, rangin...
Article
Emphysematous pyelonephritis
Emphysematous pyelonephritis (plural: emphysematous pyelonephritides) refers to a morbid infection with particular gas formation within or around the kidneys. If not treated early, it may lead to fulminant sepsis and, therefore, carries a high mortality.
Clinical presentation
The patient usual...
Article
Inferior rectal nerve
The inferior rectal nerve, also known as the inferior anal nerve or inferior hemorrhoidal nerve, is a branch of the pudendal nerve which is derived from S2, S3 and S4 nerve roots of the sacral plexus. The nerve provides sensory innervation to the anal canal inferior to the pectinate line and mot...
Question
Question 3052
What systemic condition, often also treated with steroids, is found in approximately 50% of patients with giant cell arteritis (GCA)?
Article
Prostate cancer
Prostate cancer ranks as the most common primary malignant tumor in men and the second most common cause of cancer-related deaths in men. Prostatic adenocarcinoma is by far the most common histological type and is the primary focus of this article.
Terminology
The aim of prostate MRI is to det...
Article
Renal cell carcinoma
Renal cell carcinomas (RCC) (historically also known as hypernephroma or Grawitz tumor) are primary malignant adenocarcinomas derived from the renal tubular epithelium and are the most common malignant renal tumor. They usually occur in 50-70-year old patients and macroscopic hematuria occurs in...
Article
Benign prostatic hyperplasia
Benign prostatic hyperplasia (BPH), also known as benign prostatic enlargement (BPE), is an extremely common condition in elderly males and a major cause of bladder outflow obstruction.
Terminology
The term benign prostatic hypertrophy was formerly used for this condition, but since histology...
Article
Transitional cell carcinoma (renal pelvis)
Transitional cell carcinoma (TCC) of the renal pelvis, also called urothelial cell carcinoma (UCC) of the renal pelvis, is uncommon compared to renal cell carcinoma and can be challenging to identify on routine imaging when small.
This article concerns itself with transitional cell carcinomas ...
Article
Vesicovaginal reflux
Vesicovaginal reflux is a well-known entity rarely encountered by radiologists. It is a behavioral disorder, a type of dysfunctional elimination syndrome commonly encountered in pre-pubertal girls. It is defined as reflux of urine into the vaginal vault either in supine or upright position durin...
Article
Primary cutaneous melanoma
Primary cutaneous melanoma is the most common subtype of melanoma, a malignant neoplasm that arises from melanocytes. Melanocytes predominantly occur in the basal layer of the epidermis but do occur elsewhere in the body. Primary cutaneous melanoma is by far the most common type of primary melan...
Article
Renal lymphangiomatosis
Renal lymphangiomas, which can also include renal lymphangiectasia, are a rare disorder, where there is dilatation of perirenal, parapelvic, and intrarenal lymphatics. The diagnosis can be suggested by imaging, and aspiration of chylous fluid is usually confirmatory.
For a broader discussion, ...
Article
COL4A1-related disorders
COL4A1-related disorders are a group of autosomal dominant disorders caused by a mutation in the COL4A1 gene.
Epidemiology
The exact prevalence is unknown, but the group of disorders is considered to be under-recognized, especially asymptomatic variants 1.
Clinical presentation
The clinical ...
Article
Mesoblastic nephroma
Mesoblastic nephroma, also sometimes known as a congenital mesoblastic nephroma (CMN), Boland's tumor or fetal renal hamartoma, is generally a benign renal tumor that typically occurs in utero or in infancy.
Epidemiology
It is the most common neonatal renal tumor. Diagnosis is usually made in ...
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