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Biomedical subjects

T G Goergen

Publications and source records attributed to T G Goergen.

At least 19 recordsLinked to original sources
PubMed1979

Dorsal defect of the patella (DDP): a characteristic radiographic lesion.

The dorsal defect of the patella (DDP) is a benign lesion with specific radiographic features. Seven cases of DDP are reviewed; all 7 lesions were identical in location and radiographic appearance. The characteristic lesion is round and lytic, with well-defined margins; it is located in the superolateral aspect of the patella adjacent to the subchondral bone. Arthrography reveals intact cartilage. DDP may occur in both sexes and may be bilateral. It is often found incidentally on radiographs ordered for acute trauma. Its etiology is not known. Differential diagnosis is also discussed.

Adolescent↗
PubMed1978

Enostosis of the spine.

Five patients with single sclerotic vertebral body lesions had serial radiographs demonstrating no change in size of the radiodensities. Radionuclide bone imaging, obtained in 4 of these patients, showed no increased radioisotopic uptake in the areas in question. The absence of growth of the lesions on follow-up radiographs and the presence of negative bone scans support the diagnosis of enostoses of the spine. It is important for the radiologist to realize that benign sclerosis of a single vertebral body may simulate skeletal metastasis.

Adult↗
PubMed1978

The adult hip: an anatomic study. Part I: the bony landmarks.

A comprehensive anatomic, pathologic and radiographic study of the adult hip was undertaken to define bony landmarks which, when altered, are reliable indicators of disease. Methodology included radiography of cadaveric specimens and analysis of over 300 anteroposterior (AP) radiographs of "normal" adult hips. This information was applied to clinical situations with the following conclusions: (a) The diagnosis of protrusio acetabuli is warranted if the acetabular line projects medial to the ilioischial line by 3 mm or more in men and by 6 mm or more in women. (b) In acetabular trauma, an AP and two oblique radiographs (30 degrees anterior oblique and 30--45 degrees posterior oblique) are required for complete evaluation. (c) Characteristic alterations in the joint space allow accurate diagnosis of disease.

Adult↗
PubMed1978

The adult hip: an anatomic study. Part II: the soft-tissue landmarks.

A comprehensive anatomic, pathologic, and radiographic study was undertaken to define reliable soft-tissue landmarks about the hip. Methodology included an analysis of 300 "normal" adult hip radiographs, tissue maceration, cadaveric intra-articular injection studies and review of selected clinical cases. Results, when applied to clinical situations, indicate: (a) The iliopsoas and "capsular" fat planes are poor indicators of small to moderate amounts of intra-articular fluid in the adult. (b) The "capsular" fat plane is not associated with the joint capsule, but in fact is a fat plane between two muscle bundles anterior to the articulation. (c) Distinct soft-tissue planes are available for dissemination of fluid from the hip joint. These include the iliopsoas bursa, which may distend in association with articular disease, and the fat plane of the obturator externus muscle.

Hip↗
PubMed1978

Proximal tibiofibular joint: anatomic-pathologic-radiographic correlation.

An anatomic-pathologic-radiographic study of the proximal tibiofibular joint was undertaken. This synovial articulation between the proximal tibia and fibula may communicate with the knee joint in 10% of adults. Radiography of the normal proximal tibiofibular articulation outlines a consistent relationship between the proximal portions of the tibia and fibula. Disruption of this normal relationship is indicative of anterolateral or posteromedial subluxation or dislocation. Articular disorders of this joint include reheumatoid arthritis and septic arthritis. In the latter, initial alterations of the knee joint may subsequently extend to involve the proximal tibiofibular joint, illustrating the potential communication between these two articulations.

Arthritis, Rheumatoid↗
PubMed1978

Osteolysis with detritic synovitis. A new syndrome.

A new pattern of osteolysis accompanied by detritic synovitis occurred in a 71-year-old woman. The patient had a severe, destructive, and multilating arthropathy of her hands, with distal phalangeal deformity. Radiographs outlined bone resorption of the appendicular and axial skeleton, with involvement of phalanges, metacarpals, metatarsals, clavicles, long bones, and spine. There was no notable occupational history nor laboratory evidence of hyperparathyroidism. Pathological evaluation revealed synovial ulceration and necrosis, and necrotic bone embedded with fibrotic synovium. This patient's abnormalities appear to represent a new pattern of osteolysis that can be distinguished from other disorders.

Aged↗
PubMed1977

Long bone ossifying fibromas.

Ossifying fibromas involving the tibia were seen in two patients. In both patients, the radiographic appearance of the lesions suggested fibrous dysplasia, but histopathologic evaluation demonstrated findings similar to ossifying fibroma of the mandible and facial bones. Radiologic and pathologic recognition of this entity is necessary for proper treatment.

Adolescent↗
PubMed1977

Clinical, radiographic and pathologic abnormalities in calcium pyrophosphate dihydrate deposition disease (CPPD): pseudogout.

Clinical, radiographic and pathologic abnormalities in calcium pyrophosphate dihydrate deposition disease (CPPD) (pseudogout) are outlined in an investigation of 85 patients with definite or probable disease and available cadaveric and human surgical material. Pyrophosphate arthropathy produced distinctive roentgenographic abnormalities with were most frequent in the knee, wrist and metacarpophalangeal joints. Although the alterations superficially resembled osteoarthritis, they were frequently more severe and progressive with extensive fragmentation of bone, causing intra-articular osseous bodies. Pyrophosphate arthropathy occurred in unusual locations, such as the radiocarpal compartment of the wrist, elbow, and patellofemoral compartment of the knee. These characteristics allow the radiologist to suggest a probable diagnosis of CPPD even in the absence of articular calcification.

Aged↗
PubMed1977

Patent ductus arteriosus in preterm infants with idiopathic respiratory distress syndrome. Radiographic and echocardiographic evaluation.

Clinical, radiographic, echocardiographic and operative findings were evaluated in 55 preterm infants with idiopathic respiratory distress syndrome (IRDS) complicated by patent ductus arteriosus (PDA). Pulmonary plethora was detected prior to age seven days in 52 infants, and prior to murmur detection in 42 infants. In those with large shunts, only 35% had cardiomegaly while 78% had a significant increase in cardiothoracic ratio (C/T) on sequential radiographs. Moreover, within 48 hours after ligation, 91% of infants had a significant decrease in C/T. Echocardiographic left atrial to aortic ratio (LA/Ao) was elevated in 71% with large shunts. In one patient with a large shunt there was neither a sequential increase in C/T nor an increased LA/Ao. Severity of left-to-right shunting across a PDA in the newborn was reliably gauged by combined radiographic and echocardiographic evaluation. Either modality alone failed to reflect the presence of a large volume shunt in a number of infants.

Ductus Arteriosus, Patent↗
PubMed1977

Intra-articular calcification in scleroderma.

Two patients with scleroderma demonstrated intra-articular calcification, which is rarely observed in this disease. The authors suggest that intra-articular calcification and erosion of adjacent cartilage and bone are related.

Adult↗
PubMed1977

Calcaneal abnormalities in articular disorders. Rheumatoid arthritis, ankylosing spondylitis, psoriatic arthritis, and Reiter syndrome.

The calcaneus of normal control patients, and those with rheumatoid arthritis, ankylosing spondylitis, psoriasis, and Reiter syndrome was studied. Pathological abnormalities of the plantar aponeurosis, Achilles tendon, and retrocalcaneal bursa account for the radiographic alterations. In normal individuals, lateral radiographs show the thickness of the Achilles tendon to be not greater than 8 mm; the retrocalcaneal bursa creates a radiolucency which extends at least 2 mm below the superior surface of the calcaneus. In patients with any of these 4 articular disorders, Achilles tendinitis produces thickening of the tendon, and retrocalcaneal bursitis obliterates the normal radiolucency.

Adult↗
PubMed1977

Comparison of radiographic abnormalities of the sacroiliac joint in degenerative disease and ankylosing spondylitis.

Degenerative disease of the sacroiliac joint is common in middle-aged and elderly patients. Its radiographic features simulate those of ankylosing spondylitis. Interosseous space narrowing, subchondral sclerosis, and osteophytosis are apparent. Although intraarticular bony ankylosis is generally absent, anterior paraarticular bridging osteophytes resemble true osseous fusion of the joint cavity on frontal radiographs. Focal sclerosis in degenerative disease is most common on the superior and inferior margins of the articular cavity and can usually be differentiated from that accompanying ankylosing spondylitis and osteitis condensans ilii.

Adult↗
PubMed1977

Extaarticular manifestations of septic arthritis of the glenohumeral joint.

Five patients with septic arthritis involving the glenohumeral joint are described. Although initial plain films were normal in all six involved joints, abnormalities were frequent on subsequent examinations, including demineralization (five joints), joint space narrowing (three joints), superior subluxation of the humeral head (three joints), osseous erosion (two joints), and inferior subluxation of the humeral head (one joint). Arthrography was helpful in documenting intraarticular placement of the needle for aspiration, synovial abnormalities, and extraarticular extension of disease. Particularly noteworthy was the occurrence of rotator cuff tears in four of six shoulders, suggesting a possible relationship between joint infection and disruption of the rotator cuff.

Aged↗
PubMed1977

Utility of bone scanning in disseminated coccidioidomycosis: case report.

Five cases of disseminated coccidioidomycosis (DC) are presented, to illustrate the complementary nature of bone scanning and radiography in the assessment of skeletal involvement. As shown in other unflammatory and neoplastic processes, bone scanning is more sensitive than radiography in the detection of early skeletal disease, but correlation with radiographs remains a necessity.

Adult↗
PubMed1977

Bone scanning in osteolytic Paget's disease: case report.

Technetium-99m polyphosphate bone scans of three elderly patients with osteolytic Paget's disease are presented. Similar findings of increased accumulation of the tracer in the region of diseased bone, and even greater uptake at the advancing edge of osteolysis, are seen in both the skull and long bones. The reason for this scintigraphic pattern is postulated from histologic findings of osteolytic Paget's disease.

Aged↗