Scene illuminant classification: brighter is better.

Knowledge of the scene illuminant spectral power distribution is useful for many imaging applications, such as color image reproduction and automatic algorithms for image database applications. In many applications accurate spectral characterization of the illuminant is impossible because the input device acquires only three spectral samples. In such applications it is sensible to set a more limited objective of classifying the illuminant as belonging to one of several likely types.

A case report of juvenile polyposis with adenomatous change and a review of 34 cases reported in Japan.

It has recently come to be thought that cases of juvenile polyposis have a natural tendency to develop adenoma and/or carcinoma. Here we present a case of juvenile polyposis coli with adenomatous change in a 21-year-old male, with a review of 34 cases of juvenile polyposis in the Japanese literature, and discuss the pathogenetic development of the polyps and their malignant potential. In this case, focal or entire adenomatous areas were found in large part of the polyps in the resected sigmoid colon and rectum, though these findings had not been recognized in 23 polypectomy specimens from the rectum 10 months prior to the operation.

[A case of hepatocellular carcinoma treated by the combined therapy of ultrasonic guided ethanol injection and transcatheter arterial embolization].

Reported is the case of a 72-year-old man admitted to hospital on February, 1986, because of a liver tumor. The patients laboratory data showed the following values: HBs Ag (-), ICG (R15) 34%, AFP 2650 ng/ml. A celiac angiogram revealed hypervascular tumor in the posterior lobe (s6), and a CT showed an intra-hepatic metastasis in the left lobe (s4).

[Refractory anemia showing excess of blasts (BAEB) that transformed into acute myelogenous leukemia (AML-M2) with a t (?8;20) chromosomal abnormality].

In April, 1985, a 60-year-old Japanese male was diagnosed as having refractory anemia with an excess of blasts (RAEB). He thus was treated solely with blood transfusions until June, 1986, when a new diagnosis revealed that his illness had been transformed into acute myelogenous leukemia (M2). Chromosome analysis at the initial diagnosis had revealed a normal male karyotype.