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Biomedical subjects

M Mozes

Publications and source records attributed to M Mozes.

At least 19 recordsLinked to original sources

Case report: serendipitous Gaucher's disease presenting as elevated erythrocyte sedimentation rate due to monoclonal gammopathy.

Immunoglobulin abnormalities have not been previously noted in totally asymptomatic patients with Gaucher's disease. We report a 40-year-old woman in whom Gaucher's disease was diagnosed during investigation for incidentally discovered elevated erythrocyte sedimentation rate. Further studies revealed IgG(lambda) monoclonal gammopathy. Physical examination and a bone survey disclosed none of the features of Gaucher's disease or multiple myeloma. We conclude that in contrast with previous observations, paraproteinemia may occur with Gaucher's disease even in the absence of splenomegaly or any one of the other features of the disease.

Adult

Allogeneic whole pancreas transplantation in insulin-dependent diabetes mellitus.

A clinical whole organ pancreas transplantation program for patients with insulin-dependent diabetes mellitus complicated by end-stage renal disease was initiated at Henry Ford Hospital in 1987. Five patients have received pancreatic allografts after a previous kidney transplant (phase 1), and six patients had simultaneous pancreas-kidney transplants (phase 2). Ten patients had functioning pancreatic grafts after surgery, and all of them had normal carbohydrate tolerance with appropriate plasma free insulin responses to an oral glucose tolerance test three months after transplantation. As long as 28 months postsurgery six patients remained free of insulin requirements; however, one patient rejected the pancreatic allograft, and three patients died because of cytomegalovirus pneumonia. Two of the latter patients had functioning pancreatic allografts at the time of their demise. These results compare favorably with those of the International Pancreas Transplant Registry which reflects the world experience. Pancreas transplantation is a unique experimental treatment with the potential of restoring euglycemia and improving the prognosis of insulin-dependent diabetic patients.

Acute Kidney Injury

Endodontic overextension produced by injected thermoplasticized gutta-percha.

Obturation of the root canal space with an inert filling material and creation of a hermetic apical seal has been shown to improve the success rate of endodontic therapy. A new technique of canal obturation with injection-molded thermoplasticized gutta-percha has been shown to create a good apical seal. However, failure to determine accurately the canal working length and create an apical stop in sound dentin can lead to overextension of the gutta-percha into the periradicular bone. A case of significant overextension of gutta-percha using this new technique is presented along with its ramifications and management.

Adult

Squamous cell carcinoma of the renal pelvis with sarcomalike stroma: a light and electron microscopic study with immunohistochemical analysis.

Primary neoplasms of the renal pelvis are rare. Most are malignant, and most of these are transitional cell carcinomas. We report the unusual occurrence of a squamous cell carcinoma with sarcomatoid stroma arising from the renal pelvic mucosa in a patient with renal lithiasis. Immunohistochemical stains for keratin intermediate filaments failed to demonstrate their presence in the spindle cell portion of the tumor. Transmission electron microscopic study did not reveal structures of an epithelial nature in these same cells. Our findings support the contention that the spindle cells of the stroma are not squamous in nature, but represent either a reactive or a neoplastic transformation of these underlying stromal elements.

Carcinoma, Squamous Cell

Partial splenic embolization in the treatment of hypersplenism.

Transcatheter embolization of the spleen has been associated with serious complications, such as splenic abscess, rupture of the spleen, pneumonia, and septicemia. These complications, with their grave consequences, have prevented the use of this procedure as an alternative to operative splenectomy in selected cases. A detailed description of our method, which consists of partial splenic embolization, antibiotic prophylaxis, adequate pain control, and careful pre- and postembolization, is reported. Thirteen patients with hypersplenism were successfully treated with transcatheter partial embolization of their spleen.

Adolescent

Gustatory phenomena after upper dorsal sympathectomy.

In a series of 100 bilateral upper dorsal sympathectomies performed for palmar hyperhidrosis, gustatory sweating and other gustatory phenomena were reported by 68 of 93 patients (73%), followed up for an average of 1 1/2 years. These gustatory phenomena were quite different from physiologic gustatory sweating: a wide range of gustatory stimuli caused a variety of phenomena in varied locations. There was a negative correlation between the incidence of these phenomena and the occurrence of Horner's syndrome after sympathectomy. Analysis of our observations, and of clinical and experimental work of others, leads to the conclusion that gustatory phenomena after upper dorsal sympathectomy are the result of preganglionic sympathetic regeneration or collateral sprouting with aberrant synapses in the superior cervical ganglion.

Adult

Gangrene of toes with normal peripheral pulses.

Ten patients with pregangrenous and gangrenous changes of the toes in the presence of normal peripheral pulses are described. In the absence of diabetes this is an uncommon condition and is only rarely reported upon in the literature. Four patients had non occlusive arteriosclerotic changes in large arteries; three suffered from thrombocytosis and one from polycythemia vera; one patient had a monoclonal gamopathy and one was exposed to cold three months before the onset of gangrene. None of these patients smoked regularly. Severe pain usually preceded the gangrene. The process did not progress proximally in any patients, and in those who underwent toe amputations the healing was uneventful. Vasodilators and low-molecular dextran were not effective. Lumbar sympathectomy was performed in three patients, also with no effect on the course of the disease. Treatment of hematological disorders gave relief in three patients. Proximal arteriosclerotic changes should be corrected if possible to eliminate a source of emboli. In two patients anti-platelet aggregation agents provided relief. Toe amputation should be conservative and performed when definite demarcation appears between necrotic and viable tissue. This condition has a benign prognosis.

Adult

Palmar hyperhidrosis and its surgical treatment: a report of 100 cases.

One hundred patients with primary palmar hyperhidrosis (HH) underwent bilateral upper dorsal sympathectomy (UDS) by the supraclavicular approach. Pre-operative epidemiological and clinical data are described. The immediate and late results, as well as the complications and side-effects are detailed. Follow-up was completed on 93 patients between four and 50 months after the operation (average 18 months). Of 93 patients, 91 had drying of the hands. In 58% some moisture returned to the hands but in no case did the hyperhidrotic state recur. Subjective patient evaluation was excellent or good in 83 patients (89%) and only one patient (a technical failure) was completely dissatisfied. Reasons for some degree of dissatisfaction with operation were mainly compensatory HH in non denervated areas, and Horner's syndrome. Compensatory HH usually decreased with passage of time and, permanent Horner's syndrome occurred in 8% of patients (4% of procedures). Technical failure can be avoided by use of frozen section examination intraoperatively. For severe cases of palmar HH that cause social, professional and emotional embarassment, bilateral simultaneous UDS by the supraclavicular approach is the procedure of choice: Morbidity is small, and almost all patients enjoy improved quality of life after the operation.

Adolescent

Phantom sweating.

Phantom sweating is a sensation in which the patient feels that sweat is about to burst out of skin pores, but in which sweating never actually occurs. In a series of 100 patients undergoing bilateral upper dorsal sympathectomy for palmar hyperihidrosis, 82 patients were specifically questioned and 48 (59%) reported phantom sweating. Phantom sweating started soon after the operation, was triggered by the same stimuli that caused hyperhidrosis preoperatively, lasted for a few seconds, and tended to diminish with time. In an average follow-up of 18 months, the phenomenon disappeared in 11 patients (23%). Phantom sweating is probably a symptom of residual sympathetic activity.

Follow-Up Studies

Diagnosis of urine extravasation after renal transplantation.

Urine extravasation in the early postoperative period after renal transplantation is a serious complication requiring expedient surgical intervention. Whereas clinical and laboratory findings are inconclusive, radiologic diagnostic studies have definite value. Routine ultrasound and radioisotope studies were performed on 111 renal transplant patients. In the eight who developed urine extravasation, ultrasound and/or radioisotope studies identified the extravasation in seven cases. Four of the eight were studied by intravenous pyelography and another two were studied by cystography. All results were positive. We recommend use of radioisotope and ultrasound studies for routine postoperative screening with invasive techniques reserved for inconclusive cases.

Adolescent

Saphenous nerve entrapment simulating vascular disorder.

Saphenous nerve entrapment may cause a painful syndrome simulating vascular disorder of the leg. The anatomical relationship of the saphenous nerve is described to explain the pathogenesis of the syndrome. The clinical features, diagnosis, and results of treatment of 32 patients are reported. The differential diagnosis of the syndrome is discussed. It is concluded that entrapment of the saphenous nerve should be considered when other known syndromes are unable to explain the symptomatology.

Adolescent