An abscess is a collection of pus that has built up within the tissue of the body. Signs and symptoms of abscesses include redness, pain, warmth, and swelling. [Source: Wikipedia ]

Abscess of pancreas
Epididymal abscess
Liver abscess
Splenic abscess
May Cause
Abdominal wall mass
Abnormal gas collection in pelvis
Anechoic liver lesion
Anechoic prostate lesion
Avascular intracranial mass
Avascular renal mass
Bile duct narrowing or obstruction
Bladder filling defect
Cerebellar lesion
Cerebral vasculitis
Chest wall lesion
Clubbing or destruction of renal calyces
Cystic adrenal lesion
Cystic extratesticular mass in scrotum
Cystic floor-of-mouth mass
Cystic pancreatic mass
Cystic renal mass
Cystic salivary gland mass
Cystic testicular mass
Enlarged brainstem
Enlarged prostate
Extraperitoneal gas
Extrinsic compression or invasion by carcinoma of pancreas or stomach
Fluid collection in scrotum
Focal defect in nephrogram
Gas in bladder wall or lumen
Gas in pancreatic duct
Gastrointestinal tract fistula
Hepatic calcification
Heterogeneous T1-hypointense intracranial lesion
Heterogeneous T2-hyperintense intracranial lesion
Hypoechoic prostate lesion
Increased prevertebral space in an adult
Increased retrogastric or retroduodenal space
Intracranial lesion with hypointense ring
Juxta-articular soft-tissue mass
Large pelvic soft-tissue mass
Localized bulge of renal outline
Lymph node filling defect
Markedly enhancing intracranial lesion
Mass in scrotum
Moderately enhancing intracranial lesion
Multifocal intracranial lesions
Multiloculated cystic renal lesion
Multiple intracranial enhancing lesions
Multiple solid liver lesions
Musculoskeletal lesion with adjacent edema
Nasal ridge mass in a child
Neck mass
Nonfunction of part of kidney
Nonneoplastic solitary intracranial mass
Oropharyngeal lesion
Parapharyngeal space lesion
Paraspinal soft-tissue mass
Perinephric hematoma
Peripheral rim enhancement of kidney
Perirenal fluid collection
Pharyngeal infection
Posterior fossa cystic lesion
Pulmonary lobar enlargement
Rectal disease
Renal mass in a child
Renal parenchymal gas
Ring-enhancing intracranial lesion
Salivary gland enlargement
Segmental narrowing of colon
Soft-tissue mass with adjacent bone erosion
Soft-tissue neck mass
Solid extratesticular mass in scrotum
Solid liver lesion in an infant or young child
Solid mesenteric lesion
Solid renal mass
Solitary esophageal filling defect
Splenic calcification
Sublingual space lesion
Submandibular space lesion
T1-hyperintense liver lesion
T1-hyperintense renal mass
T2-hyperintense liver lesion
T2-hyperintense prostate mass
Thyroid lesion
Unilateral adrenal enlargement
Unilateral renal nonfunction
May Be Caused by