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Biomedical subjects

M Poppi

Publications and source records attributed to M Poppi.

At least 37 records · Page 2Linked to original sources

Distal ulnar neuropathy from carpal ganglia: a clinical and electrophysiological study.

The clinical and electrophysiological observations in two cases of distal ulnar neuropathy from carpal ganglia are reported. In the first case, the ganglion was compressing the ulnar nerve just proximal to its division; in the second case, the ganglion was compressing the deep branch of the ulnar nerve just at its origin. In both cases, both axonal degeneration and segmental demyelination were present. A clinical classification of the compression syndromes of the deep ulnar branch is proposed.

Adult↗

A multidisciplinary approach for the treatment of metastatic brachial plexus neuropathy from breast cancer: neurosurgical, plastic, and radiotherapeutic.

A new approach for the treatment of metastatic brachial plexus neuropathy at the axillary level is described. This may be used in patients previously submitted to radical mastectomy followed by radiotherapy for breast cancer. The method consists of external neurolysis of the cords of the plexus, dissection and excision of the pathological axillary contents along with the overlying atrophic cutaneous and subcutaneous tissues, reconstruction of the axilla by the latissimus dorsi musculocutaneous flap, and finally early radiotherapy by high-dose radiation delivered to the entire area. The advantages of the procedure are briefly discussed.

Axilla↗

Acute bilateral extradural hematomas in a case of osteogenesis imperfecta congenita.

Acute bilateral extradural hematomas occurred after apparently trivial trauma in a patient suffering from osteogenesis imperfecta congenita. Factors influencing the development of this dramatic complication are peculiar to this rare disorder of bone and connective tissue development and include bony weakness, increased vascular fragility, and possible coagulopathies.

Adolescent↗

Traumatic interhemispheric subdural hematomas.

Two cases of traumatic interhemispheric subdural hematoma are reported. The first patient had combined convexity and parasagittal subdural hematomas; the second patient had an interhemispheric subdural hematoma which extended over the tentorium. Although most reported cases have followed a subacute clinical course with characteristic lower-extremity monoparesis, both our patients deteriorated rapidly 24 and 48 hours after the injury without warning neurologic signs and died in spite of prompt surgical treatment. Both cases were diagnosed with computerized axial tomography (CT). This examination is particularly valuable in defining the extent of the hematoma and its possible association with other lesions.

Craniocerebral Trauma↗

Resolution of occlusion in spontaneously dissected carotid arteries. Report of two cases.

Two cases of internal carotid artery occlusion secondary to spontaneous dissection are reported. Both patients presented with transient ischemic attacks. both had antiplatelet aggregation therapy, followed by spontaneous resolution of the occlusion. The period of healing seems to be relatively short. In both cases, restoration of flow was angiographically documented 14 days and 10 weeks after the initial arteriogram. Strategies for treatment of such patients are discussed.

Adult↗

Carpal tunnel syndrome in a patient with a Cimino-Brescia fistula.

A case of a carpal tunnel syndrome in a patient with chronic renal insufficiency undergoing hemodialysis by means of a Cimino-Brescia arteriovenous fistula is reported. Surgical decompression of the median nerve at the wrist was followed by the immediate and complete relief of the patient's symptoms. Ischemia related to a vascular 'steal' phenomenon or increased venous pressure have been proposed as primary alterations which can cause a damage of the median nerve at the wrist. In our case, we found symptoms relating to both of these pathogenetic hypotheses.

Arteriovenous Shunt, Surgical↗

Microsurgical removal of paraventricular cavernous angiomas. Report of two cases.

Two cases of paraventricular cavernous angiomas are presented. In one, the cavernous angioma was found in the right wall of the fourth ventricle, and in the other in the right thalamus encroaching upon the third ventricle. Both patients had onset of symptoms suggesting a tumor. Good results were obtained by the microsurgical approach to these malformations. The computerized tomography findings typical of cavernous angiomas are reviewed

Adult↗

Fracture of the distal radius with ulnar nerve palsy.

A patient with immediate palsy of the ulnar nerve secondary to a distal fracture of the radius and possibly a dislocation of the distal radio-ulnar joint (Galeazzi's fracture) is described. Surgery demonstrated a serious contusion of the nerve, scarring around the nerve, and thrombosis of the ulnar artery. Symptoms rapidly disappeared after neurolysis.

Adult↗