[Chronic hepatitis and immune stimulation].
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Biomedical subjects
Publications and source records attributed to H Thaler.
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The case of a nineteen-year-old women with the cerebral form of malaria tropica is reported. She showed hyperpyrexia, abdominal manifestations, haemolysis and disseminated intravascular coagulation. Cerebral symptoms amounting to grade IV encephalopathy occurred. The patient responded rapidly to the administration of chloroquine, anticonvulsants, dextran, corticosteroids, antipyretics, blood and antithrombin III and her symptoms had almost completely vanished one week after the onset of therapy.
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In a 52-year-old female who was jaundiced since early childhood, marked conjugated hyperbilirubinaemia and a delay of bromsulfophthalein and indocyanine green plasma disappearance rates were observed. Liver histology, plasma bile acids and plasma clearance of 14-C-cholic acid were normal. There was a pronounced impairment of the relative storage capacity of bromsulfophthalein (S = 2,4 mg/mg%) and a moderate decrease of BSP-transport maximum.
Experiences are reported gained from 764 liver biopsies in children ad infants. Indications and contraindications are the same as in adults. The normal liver of infants and young children exhibits some particular differences as compared to the adult liver. Formation of giant cells is a striking pathological finding in various early childhood liver diseases. Needle biopsy is imperative in children with longstanding jaundice when it has to be decided, if surgery is to be done or not. Histology yielded the decisive diagnostic information in 80% of the cases in our hands. Needle biopsy may yield important or decisive information in the other liver diseases of childhood as well.
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In extracts of Columbia Arabica Coffee the content of galactomannan precipitable with alcaline copper solution decreases slowly up to an extraction yield of 43.6%; it decreases somewhat more rapidly with higher extraction yields. An extract of Angola Robusta Coffee showed opposite behaviour. In this case the content of galactomannan increased with the extraction yield, although not evenly. Calculated on the basis of roasted coffee solids the extract of the Arabica coffee had a rather limited range precipitable polysaccharide, the Robusta coffee in contrast with rated increased amounts of galactomannan. The different behaviour of the two coffee varieties may be due to mote or less strong binding of this high-polymer carbohydrate to the cell wall.
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Aggregates of cells resembling those of cutaneous nevi have been found in the capsules of lymph nodes. Although seemingly rare, this extraordinary lesion could conceivably occur often enough to be more than a pathological curiosity, and should be differentiated from metastatic tumor. Slides from every axillary lymph node dissection for female mammary carcinoma in the years 1964 and 1974 at Memorial Hospital were reviewed, as were slides from 100 consecutive lymph node dissections performed during 1974 in patients with malignant melanoma. Nevus cell aggregates (NCA) were associated with three of 17,504 lymph nodes (0.017%) obtained from 909 mastectomies, or 0.33% of the cases. Among the 100 lymph node dissections for malignant melanoma, NCA were found associated with three of the 2,607 lymph nodes examined (0.12%), or 3.0% of the cases studied. Since NCA occur in association with lymph nodes more often than previously thought, the possibility that they may be a potential source of malignant melanoma in patients without a demonstrable cutaneous or mucosal primary is discussed.
Epidemiologic and clinical studies conducted in the past 15 years have demonstrated striking differences in the biology of mammary carcinoma among Japanese and American women living in their native countries. These variations have, in part, been related to some differences in the characteristics of the primary tumors between the two groups. As part of a collaborative study we have had an opportunity to compare the stage of disease and to examine and compare histological sections of patients with breast carcinoma treated in 1973-74 at the National Cancer Center Hospital (NCH) in Tokyo and in 1974 at the Memorial Hospital (MH) in New York. The former group consisted of 216 and the latter of 555 carcinomas. Fewer patients in each group had axillary metastases than reported in a prior study of patients treated at MSKCC and in Tokyo 20 to 30 years earlier. Negative axillary nodes were now found in 58% of the MH patients and in 63% of women treated at the NCH. The magnitude of improvement in stage relative to the prior report was similar in both groups. However, it would appear that the change occurred mainly from the mid-1950s to the 1960s in New York and approximately 10 years later in Tokyo. Results of this study confirming prior reports were: (1) higher frequency of colloid and of medullary carcinoma with lymphoid stroma and lesser frequency of lobular carcinoma in the Japanese patients; (2) more intense lymphoid infiltrate in and around primary tumors in Japanese women; (3) higher frequency of rounded or circumscribed tumors in Japanese women; and (4) the more frequent occurrence of intralymphatic tumor emboli within the breast in American women. The difference in the frequency of lobular carcinoma was less striking when comparison was limited to patients with unilateral carcinoma.
Drug hepatitis emphasized the importance of a careful history including the question to the use of laxatives in all patients with both acute and chronic hepatitis. From predictable and unpredictable hepatotoxicity we should learn to be alert to the possibility of new and unrecorded hepatic lesions resulting from drugs and other chemical or environmental toxins.
Alcoholic liver damage is only produced by constant alcohol intake. Close dose and time relationships are apparent. For many years, alcoholic fatty liver is the only noticeable alteration. It is completely reversible in 2-4 weeks when ethanol intake is stopped. After about 6 years of chronic abuse alcoholic hepatitis may develop. Once established it progresses within weeks or months to cirrhosis if ethanol intake is not discontinued. On the other hand, alcoholic hepatitis heals under complete abstenence from alcohol with unimportant fibrosis. After over-indulgence in alcohol over a period of 22 years, there is a 50% probability of cirrhosis. This shows clearly that the resistance of the liver to alcohol varies considerably in different individuals. Even in early stages of alcoholic cirrhosis the prognosis is reasonable. If these patients observe complete abstenence from ethanol, their life expectation is only slightly different from the average of the population. The extent of the consumption of alcohol is of decisive importance for the development of cirrhosis. New and very careful investigations reveal that the susceptibility to alcohol is different in both sexes. For men the danger level would thus appear to be around 60 g and for women around 20 g of pure alcohol a day. Beyond these critical levels the morbidity of cirrhosis multiplies almost in geometric progression with increasing amounts of ethanol.
In two double-blind studies with 24 and 12 patients, respectively, the effect of silymarine on chronic hepatitis was studied. The treatment lasted three months to one year. In the laboratory tests investigated no remarkable difference between silymarine and placebo therapy was seen. Some histological changes, however, were improved under silymarine, one of them significantly. A control of these findings will be necessary. The question arises if silymarine occupies receptors on the liver cell membrane and therefore causes a partial blocking of immunologic reactions. The difficulties of prospective studies in chronic liver disease are emphasized.
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