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Biomedical subjects

F C Chu

Publications and source records attributed to F C Chu.

At least 55 records · Page 3Linked to original sources
PubMed1981

Ocular motor signs in some metabolic diseases.

Ocular motor disturbances are described with a miscellany of metabolic disturbances. Horizontal gaze abnormalities, often simulating congenital ocular motor apraxia, characterized Gaucher's disease. Vertical gaze abnormalities, especially downgaze paralysis, characterized what is generally considered a variant of Niemann-Pick disease, or sea-blue histiocytosis, but which we prefer to call the "DAF" syndrome. A form of internuclear ophthalmoplegia but with nystagmus of the adducting eye characterized abetalipoproteinemia. epileptiform eyelid and eye movements occurred in a case of methylmalonohomocystinuria. Ocular motor abnormalities are also described with variation of olivopontocerebellar degeneration and with ataxia telangiectasia.

Adolescent↗
PubMed1981

Bladder cancer in men and women treated by radiation therapy and/or radical cystectomy.

Four-hundred fifty-one patients with bladder cancer, 348 men and 103 women, were treated by radiation therapy and/or radical cystectomy during the last two decades at Memorial Sloan-Kettering Cancer Center. Radical cystectomy alone was the treatment in 98 men and 39 women. Radical radiation therapy to an average tumor dose of 6,000 rad in six weeks was given to 79 men and 30 women +/- one year before salvage cystectomy was done for recurrent or persistent tumors. Planned preoperative irradiation was delivered to the true pelvis either 4,000 rad in four weeks in 95 men and 24 women or 2,000 rad in one week in 76 men and 10 women +/- six weeks and two days, respectively, before radical cystectomy. Over-all survival and recurrence results in both sexes were similar, 40 per cent of men and 36 per cent of women were alive at five years without recurrence, 45 per cent of men and 48 per cent of women died in five or more years with local and/or distant recurrences, and 21 per cent of men and 15 per cent of women died before five years from causes other than cancer recurrence. Higher five-year survival for high clinical stage B2 to D1 tumors was noted similarly in the irradiated men (30 per cent) and women (37 per cent) than in the cystectomy alone patients (19 per cent in men and 4 per cent in women). Similar survival rates (52 to 57 per cent) were observed in men and women with low clinical stage O to B1 tumors treated with or without irradiation.

Adult↗
PubMed1981

Metastasis to the base of the skull: clinical findings in 43 patients.

We studied 43 patients with metastases to the base of the skull to determine whether clinical symptoms localized the lesions accurately. We identified five clinical syndromes: orbital, parasellar, middle fossa, jugular foramen, and occipital condyle. The orbital and parasellar syndromes were characterized by frontal headache, diplopia, and first-division trigeminal sensory loss. Proptosis occurred with the orbital but not the parasellar syndrome. The middle-fossa syndrome was characterized by facial pain or numbness. The jugular foramen syndrome was characterized by hoarseness and dysphagia, with paralysis of the ninth through eleventh cranial nerves. The occipital condyle syndrome was characterized by unilateral occipital pain and unilateral tongue paralysis.

Adolescent↗
PubMed1980

Radiation therapy in the management of locally advanced and disseminated breast cancer.

Radiation therapy should be fully used in the management of advanced breast cancer. Locally advanced primary or recurrent carcinoma, with limited extent, should be treated aggressively, aimed at permanent control. Palliative treatment of incurable or metastatic lesions relieves symptoms and improves patients' quality of survival. Some metastatic lesions involving vital structures may create emergencies. Prompt institution of radiation therapy may reverse the serious complications and save the patient's life.

Brain Neoplasms↗
PubMed1980

Fundal abnormalities of Gaucher's disease.

The evidence for cherry-red maculas in Gaucher's disease is questionable, but in occasional patients, scattered white spots in and on the retina appear to be characteristic. These white spots consist of clusters of swollen histiocytes (Gaucher cells).

Adolescent↗
PubMed1980

Correlative histologic and serologic findings of sicca syndrome in patients with systemic lupus erythematosus.

We prospectively evaluated 24 patients with systemic lupus erythematosus for clinical, histologic, and serologic evidence of sicca syndrome. Abnormalties suggestive of sicca syndrome in patients with systemic lupus were identified by parotid scan (58%), questionnaire (54%), labial biopsy (50%), Schirmer's test (21%), and parotid flow rate (13%). An increased frequency of autoantibodies to gamma globulin and cellular antigen SS-A was detected in lupus patients with histologic changes on labial biopsy. The serologic findings are similar to those of patients with sicca syndrome alone with the exception of the reduced incidence of anti-SS-B in patients with systemic lupus.

Adolescent↗
PubMed1980

Cryptorchidism and testicular cancer.

An analysis of 125 patients with a history or clinical evidence of cryptorchidism and testicular germinal tumor treated at our hospital from 1934 to 1975 is presented. Cryptorchidism was corrected ipsilaterally or contralaterally in 83 patients with intrascrotal testis cancer when they were from 4 to 42 years old, either spontaneously (21 patients), by orchiopexy (51 patients) or by hormonal therapy (11 patients). Forty-two cryptorchid patients (uncorrected cases) presented with either ipsilateral inguinal (24 patients), abdominal (14 patients) or contralateral intrascrotal tumors (4 patients). Tumor histologic types on orchiectomy were pure seminoma in 54 patients, embryonal carcinoma in 35, teratocarcinoma in 33 and pure choriocarcinoma in 3. The 5-year survival rates were 60 per cent for the corrected cases and 63 per cent for the uncorrected cases according to cryptorchid state, and they were 78 per cent in patients with pure seminoma and 48 per cent in patients with other germinomas according to histologic type. The majority (58 of 73) of 5-year survivors received regional lymphatic irradiation, in 39 patients with pure seminoma, and/or systemic chemotherapy, in 19 patients with germinal carcinomas, with or without regional lymphadenectomy.

Adolescent↗
PubMed1979

Ocular manifestations of familial high-density lipoprotein deficiency (Tangier disease).

Corneal clouding is one of the manifestations of Tangier disease, an inherited disorder in which cholesterol-rich lipids are deposited in various tissues of the body. The cause of the corneal clouding is unknown. This study documents the clinical course and conjunctival biopsy findings of a 60-year-old man who was one of the earliest patients to be recognized with Tangier disease and in whom progressive corneal clouding developed in adult life. Noteworthy in the biopsy specimens were birefringent lipid particles that were predominantly present in degenerating pericytes of the conjunctival vessels.

Arteries↗