The fractal analysis of subdural haematoma.

The fractal analysis of vessel structure in the capsule of subdural haematoma has been performed. Examined material comprised 100 normal cases and 30 with long-lasting subdural haematoma. Pickworth's method and computer image processing under lmtron, Scion for Windows 98 were applied. The parallel vessels with fork-like branching were found in the subdural haematoma capsule. The essential result of the fractal analysis was that there was no difference in one-sided dimensions of subdural haematomas in contrast to differentiated one-sided dimensions of normal vessels. This finding may explain the continuous growth of subdural haematoma. The applied method allows observation of the microangioarchitecture in the capsule of subdural haematoma.

Fractal estimation of the senile brain atrophy.

The paper presents an attempt to fractal analysis of senile brain changes. The differences of atrophy velocity in the white and gray matter can be noticed via fractal dimension according to the described one layer approximate model. The young (34 years) and old (82 years) brains are examined and compared.

[Behavior of thyroid autoantibodies in persons inhabiting an endemic goiter area]. / Zachowanie sie przeciwcial przeciwtarczycowych u osób z terenu endemii wola.

The study was aimed at investigating the occurrence of thyroid autoantibodies (ATMA and TGA) in persons inhabiting the area of goiter endemy of mild degree. The survey comprised 1508 persons of age ranging from 3 to 68 years. The subjects studied have been divided into the groups taking into account age, sex, degree of thyroid enlargement (according to WHO, 1974), and the characteristics of the goiter. The occurrence of ATMA or TGA antibodies was demonstrated in 17% of the subjects. An increase in the incidence and titer of thyroid autoantibodies with age was observed. The occurrence of thyroid autoantibodies was observed more frequently in the subjects with parenchymatous goiter. No correlation was found between the incidence of the antibodies and goiter size. Thyroid autoantibodies have also been found in 10% of subjects without goiter. The results obtained do not indicate convincingly the role of the thyroid autoantibodies in the pathogenesis of endemic goiter.

[Results of studies on the effect of radiologic contamination after the Czernobyl catastrophe and prophylactic iodine on thyroid morphology and function of inhabitants of North-East Poland]. / Wyniki badania wplywu skazenia radiologicznego po katastrofie w Czarnobylu i profilaktyki jodowej na morfologie i czynnosc tarczycy na terenie pólnocno-wschodniego regionu Polski.

The results of the investigations of radioactive contamination after the Chernobyl catastrophe and subsequent iodine prophylaxis on the thyroid gland function and morphology in Northeast Poland. The aim of the study was to determine whether kalium iodine in one dose during radioactive contamination in Poland limited the radioactive dose in the thyroid gland and if significant disadvantageous side-effects in the intrathyroid and extrathyroid occurred. Additionally during the studies we tried to determine if radioactive iodine contamination which occurred in the region of the Medical Academy in Bialystok caused an increase in thyroid disease. It is interesting to note the different results obtained after radioactive contamination with the results from the investigations in this same territory in 1983-1985. In 1983-1985, before the Chernobyl catastrophe, 6,921 persons in Northeast Poland were investigated. In 1986-1988, immediately after the disaster 4,010 persons were investigated. The main study according to grant No MZ-XVII was carried out in three provinces: Bialystok, Suwalki and Olsztyn. In this investigation 10,011 persons born before April 26, 1986 and after January 1, 1936 participated, 5,789 townspeople and 4,222 villagers, 3,987 children up to 16 years of age it the time of the disaster 1,973 boys and 2,009 girls; 6,024 adults 2,509 men and 3,516 women were drawn from a register. Committed doses to the thyroid in the investigated region were one of the highest in Poland and depended on age group and were depended on time of prophylaxis non proportional. Iodine prophylaxis was provided mainly with one dose of Lugol solution about 90%, 95% children and 30% adults took iodine. The majority of the population (53.3%-74%) were given iodine in April. From May 1st to 5th 23.0-43.4% received iodine, but after May 5th very few persons. Iodine was well tolerated, but Lugol Solution was better tolerated than other kinds of iodine. Only 241 (4.4%) cases had side effects, mainly vomiting (143), symptoms such as stomach ache, diarrhea, dyspnoe, skinrash etc. in lesser numbers. 12% (29 persons) were seen by a physician. In the investigated population were 200 pregnant women aged 19-40 years of which the majority (177) delivered full term healthy babies. Only 1 interrupted pregnancy and 7 had spontaneous abortion. Changes in the thyroid were noticed by 187 persons (2.3%-11.7%) most of which were enlargement of the thyroid, but only a few were confirmed by a physician. In the studied population from 1989 to 1990 over 30% of the population had struma.(ABSTRACT TRUNCATED AT 400 WORDS)