PubMed Health⌕ Search

Biomedical subjects

L Jeanmart

Publications and source records attributed to L Jeanmart.

At least 19 recordsLinked to original sources
PubMed1991

[Jaundice secondary to a metastasis of a malignant melanoma at the level of the common bile duct].

A patient presenting with a malignant melanoma of the skin developed obstructive jaundice. Ultrasound examination of the upper abdomen revealed dilated bile ducts and the presence of a solid mass at the hilum level. There was no evidence of biliary lithiasis. The intraluminal location of the mass was confirmed by endoscopic cholangiography. Laparoscopy disclosed a 2 cm mass within the wall of the common bile duct. Pathological diagnosis was common bile duct wall metastasis from malignant melanoma.

Cholangiopancreatography, Endoscopic Retrograde↗
PubMed1990

Cysts of the semilunar cartilages of the knee: a new approach by ultrasound imaging. A study of six cases and review of the literature.

The authors present six cases of cysts of the semilunar cartilages of the knee detected by ultrasonography, all of them confirmed at the time of surgery. Five of these lesions were cysts of the lateral meniscus; one lesion was a cyst of the medial meniscus. Because of ultrasonography, an accurate diagnosis of meniscal cysts is within the reach of the radiologist; it is also possible to visualize the extension of these lesions in a correct way, thereby being of great help to orthopedic surgeons. The main advantages of this technique compared with magnetic resonance imaging (MRI), which is also able to give the same information, are the short time required to perform the examination and the low costs. After outlining their study, the authors give a review of the literature concerning the incidence, clinical features, pathogenesis, and management of the disease.

Cartilage Diseases↗
PubMed1990

[Radiography profile in forced plantar flexion for studying unsteady feet].

We have studied the interest of an original radiological incidence ("Plantar hyperflexion") allowing to demonstrate a possible hyperlaxity of medio-tarsal joints. We discovered a significant difference of mobility between patients with unstable feet and the control group. The existence of a medio-tarsal hyperlaxity should be taken into account before starting any treatment.

Foot↗
PubMed1990

[Computed tomography aspects of cerebral toxoplasmosis in AIDS].

We followed by CT 19 AIDS patients with cerebral toxoplasmosis. Diagnosis of cerebral toxoplasmosis was assessed on radiological and clinical basis, including the therapeutic response. CT allowed to confirm brain lesions (40 lesions in 19 patients) and to follow the evolution with treatment. Analysis of the CT features of these brain lesions permits to define some characteristic findings, though not pathognomonic. These lesions share common characteristics with other granulomatous diseases or with brain abscesses. The most frequently observed features are: target lesions (74%) with contrast enhancement (95%), frequently multiple (53%), associated with a hypodense area of oedema (100%), and responsible for a mass effect (79%). Under treatment, we observed improvement in 89%, resulting either in complete disappearance of the lesions (16%), disappearance of one or more contrast enhancing (46%) or hypodense (6%) areas, or volumetric regression of the hypodensities (50%). We conclude that CT is a good first-step examination for the detection and follow-up of cerebral toxoplasmosis in AIDS patients. MRI, a method with a higher sensitivity but still less accessible, may be considered at the present time as a second-step examination for those patients with solitary lesions on CT, or for symptomatic patients with normal CT.

Acquired Immunodeficiency Syndrome↗
PubMed1989

Comprehensive and interpretative radiology of middle ear malformations.

Radiological aspects of middle ear malformations based on the study of 31 observations should be correlated with the modalities of normal and abnormal morphogenesis. This is particularly the case for malformations of the ossicles, which can be classified according their precise branchial origin. Facial nerve malformations, dysgenesis of the footplate and atresia of the external auditory meatus is discussed in relation to normal events of middle ear morphogenesis. Standard histochemical procedures and study of radioactive sulphur uptake in the mouse embryo permit to characterize some factors of middle ear ossicles formation. Study of correlations between radiological features and experimental results reveal that the important factors are: the chronology of morphogenesis; the organization of branchial structures; the patterns of neural crest cells migration; the influence of environmental factors. Furthermore, teratologic features obtained in animals models can be correlated with human syndromes.

Animals↗
PubMed1989

[A case of multiple brain calcifications associated with hypoparathyroidism].

We report a case of extensive cerebral calcifications associated with hypoparathyroidism in a 82-year-old woman who has been thyroidectomized and received an antiepileptic treatment for 26 years after an episode of coma followed by confusion. We discuss the frequent confusion in terminology used for describing such cases, emphasizing the necessary distinction between Fahr's disease (extensive cerebral calcifications without abnormal phosphocalcium metabolism) and cerebral calcinosis associated with hypoparathyroidism.

Aged↗
PubMed1979

[Computer tomography appearances of intracranial epidermoid and dermoid cysts as demonstrated by three cases (author's transl)].

The authors describe the computer tomography appearances of intracranial epidermoid and dermoid cysts as demonstrated by three cases, and review the published literature. Dermoid and epidermoid cysts can be distinguished from each other by their topography (dermoid cysts are found more medially while epidermoid cysts occur on the base of the skull and in the pontocerebellar angle), by the presence or not of calcification (found almost exclusively in dermoid cysts), and by their computer tomography appearances. Both tumors have low densities, below that of the cerebrospinal fluid, but dermoid cysts have lower densities than epidermoid cysts, which can be easily explained by referring to the anatomo-pathological appearance.

Adult↗