(5) LYMPHO-RETICULAR TISSUE

[5-Fluorouracil-induced reticular hyperpigmentation].

superficial dermis with occasional melanophages (Figure 3). The patient continued to receive cycles of chemotherapy, with no observed increase in pigmentation, until completing the treatment after 11 infusions. Five months after the last cycle of chemotherapy and 8 months after the appearance of the hyperpigmentation, no pigmentation was seen on the palms of the hands, and the reticular pigment...

Lympho-Sarcoma of Ileum

A patient with reticular pigmentation

A 38- year-old man in good general health and normal intellectualfunctioning referred to the dermatologic clinic with numerouspruritic reticulate pigmentations on his neck, chest and upperback since 10 years ago. We noticed similar lesions on his axillae,groin and infra mammary area with no family background.

A Lympho-Sarcoma in the Bladder

JQ b]add? -Was Emitted for a suspect-ed stone er which appeared to be felt on sounding. The boy suffered from symptoms like those of stone in the bladder. Litholapaxy was tried, but instead of the stone some part of a fleshy growth seemed to be caught by the blades of the lithotrite. A suprapubic cystotomy was therefore done and the growth appeared to be an enlargement of the prostate. This was...

Antigen recognition by cytotoxic T lympho-

| When cells are stimulated with pro-inflammatory cytokines, most of their constitutively expressed proteasomes are replaced with immunoproteasomes, which increase the production of peptides for presentation on MHC class I molecules. In addition, cortical thymic epithelial cells selectively express a type of proteasome known as the thymoproteasome that is required for the positive selection of ...