B-Cell Lymphoma Arising From a Nasal Implant: A Brief Clinical Study.

Continuous exposure to foreign substances initiates a sustained inflammatory reaction in the body, and subsequent chronic inflammation is recognized as one of the causes of lymphoma. Most lymphomas caused by foreign bodies are composed of 2 major phenotypes. Diffuse large B-cell lymphoma arising from metallic prosthesis, also called metallic implant-associated lymphoma and T-cell phenotype anaplastic large cell lymphoma, commonly associated with breast implants. Augmentation rhinoplasty is often performed to improve the esthetics of the nasal dorsum and various synthetic materials have been used as implants. The occurrence of lymphoma originating from a nasal implant is scarcely documented, and even more uncommon is its manifestation as epstein-barr virus (EBV)-negative extranodal marginal zone lymphoma. Here, the authors describe a rare case of B-cell lymphoma of the nose and nasolacrimal duct in a 49-year-old woman who underwent rhinoplasty with a silicone implant 20 years ago.

Rapid evaporation at the superheat limit of methanol, ethanol, butanol and n-heptane on platinum films supported by low-stress SiN membranes.

The bubble nucleation temperatures of several organic liquids (methanol, ethanol, butanol, n-heptane) on stress-minimized platinum (Pt) films supported by SiN membranes is examined by pulse-heating the membranes for times ranging from 1 µs to 10 µs. The results show that the nucleation temperatures increase as the heating rates of the Pt films increase. Measured nucleation temperatures approach predicted superheat limits for the smallest pulse times which correspond to heating rates over 108 K/s, while nucleation temperatures are significantly lower for the longest pulse times. The microheater membranes were found to be robust for millions of pulse cycles, which suggests their potential in applications for moving fluids on the microscale and for more fundamental studies of phase transitions of metastable liquids.