Primary B cell lymphoma of paranasal sinuses: a diagnostic surprise

Anand, T. S.; Saxena, Yogesh Krishna; Shashidhar, T. B.; Kumar, S

doi:10.1007/s12070-008-0087-9

Cited by 3 publications

(3 citation statements)

References 7 publications

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“…In a review of 852 cases, the one-year survival rate of sinonasal tract DLBCL was 84.7% and the 5-years urvival rate was 68.0%. 9 Chemotherapy is recommended for the treatment for DLBCL and it is the same as for both nodal and extranodal diseases. The principle is based on that DLBCL of the head and neck is a localized manifestation of systemic disease.…”

Section: Discussionmentioning

confidence: 99%

“…It had been noted that cases with more than one sinus involvement had lower survival rates. 9 DLBCL was very aggressive and the treatment was inefficient to prevent CNS metastasis depending only on the rituximab, which is not effectively cross blood brain barrier. 10 CNS involvement upstaged the Ann Arbor staging to IV with in less than four months despite the chemotherapy.…”

Section: Discussionmentioning

confidence: 99%

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Bilateral Non-Hodgkin Lymphoma of Maxillary Sinus with CNS Metastasis

Albazah

Vasiwala

Yogesvaran

et al. 2019

Int. J. Hum. Health Sci.

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We report an extremely rare case of bilateral Non-Hodgkin lymphoma of maxillary sinus. Although most types of lymphoma have good response to chemotherapy especially in the early stages, our patient demonstrated resistance to the chemotherapy. Spinal metastases resulted in dismal end. The usual R-CHOP regimen was not effective prevent spread even after 4 cycles. Intrathecal CNS prophylaxis as methotrexate is advisable to prevent extension of the disease to the brain and spinal cord.International Journal of Human and Health Sciences Vol. 03 No. 02 April’19. Page: 116-119

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Bilateral Non-Hodgkin Lymphoma of Maxillary Sinus with CNS Metastasis

Albazah

Vasiwala

Yogesvaran

et al. 2019

Int. J. Hum. Health Sci.

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“…Further, nodules were leached with dilute HCl using pyrite, sodium sulfite, and carbon as reductant , or using alcohol modified hydrochloric acid leaching (Jana et al, 1995). Diluted H 2 SO 4 has generally been used as a leachant along with activated carbon (Saito, 1988), charcoal (Anand 1987), patent, Indian IN 1987, Cl C 22 B 3/00) and acetylene black (Myazaki and Kitamura, 1985) as the reducing agents. The other reducing agents tried in sulfuric acid media and patented are syrup, saccharose, glucose, H 2 O 2 and oxalic acid.…”

Section: Methods Used For Dissolution or Leaching Of The Nodulementioning

confidence: 99%

Extraction of Copper, Nickel and Cobalt from Indian Ocean Polymetallic Nodules

Agarwal¹,

Goodrich

2003

Can J Chem Eng

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303I n recent years, there has been considerable interest in the potential use of deep-sea manganese nodules for the recovery of copper, nickel, cobalt and manganese, by those countries which have no domestic production of these metals. To meet their industrial and military requirements, these countries depend entirely on foreign nations for the supply of these metals and thus are vulnerable to supply disruptions. Some countries, which have partial production of these metals, meet their needs by importing them. Nickel and cobalt are critical components in alloy steel used for jet engine parts, high strength tools, heat and corrosion resistant alloys, magnets, catalysts, drying additives in paints and other chemicals. Cobalt metal is generally used either as a powder, solid metal, or one of its salts. In recognition of the strategic importance of these metals, research has been directed for their extraction from deep-sea manganese nodules as a major source. In spite of the development of suitable technologies in the United States and Japan for the recovery of these metals, it has been observed (Jordan, 1988) that research on these resources should be limited to approaches that promise to cut the total processing costs by at least 50%. The economics of recovery are not favourable as it is $17/lb and the rate of return of investment is only 4% to 6%. However, at least a 30% rate of return on investment is required to attract the necessary venture capital for sea nodule production.In present work, an effective chemical process has been developed for the extraction of copper, nickel, cobalt and recovery of manganese as manganese carbonate. Manganese nodules from the Indian Ocean basin are abundant in water depths of around 2000 to 5000 meters. They are rough surfaced, contain todorokite as the dominant mineral phase, have a thicker oxide layer and are rich in Mn/Fe and Cu/Ni ratio. They range from 0.625 to 7.25 cm in size and are composed of MnO 2 and Fe 2 O 3 or hydroxides (40% to 70%) as the main component associated with relatively minor amounts (0.1% to 1.0 %) of copper, nickel and cobalt. The mineralogy is basically fine-grained oxides mixed with layers of silicious gangue minerals (Parekh et al., 1988). Haynes et al. (1983) gave comprehensive flow sheets for the processing of the nodules in 1983. Five of the most promising techniques for metal extraction are: gas reduction and ammoniacal leach, cuprion ammoniacal leach, high-temperature and high pressure H 2 SO 4 leach, reduction and HCl leach and smelting and H 2 SO 4 leach. On reviewing the details of these methods, it is evident that the cuprion ammoniacal leach process is not appropriate for cobalt extraction, and the other four methods are complex, expensive and hazardous to the environment. Mn-nodules contain up to 30% water even when drying in air (Mizola et al., 1989). Thus hydrometallurgical processes will be superior and economical to the pyrometallurgical ones due to saving of energy. Some of the extractive metallurgical details have been described in...

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A Case of Peripheral T-Cell Lymphoma Mixed With Invasive Fungal Sinusitis of Maxillary Sinus

Kim

2023

Korean J Otorhinolaryngol-Head Neck Surg

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A Non-Hodgkin’s lymphoma rapidly forms a deep ulcer and invades the sinuses, orbital wall, and the palate. It is important to detect and treat early as it can, although rarely, be accompanied by rapid ulcerative destruction and sepsis due to necrosis. An 80-year-old female visited our hospital complaining of right nasal congestion and facial edema. A fungal ball in the right maxillary sinus and a defect in the anterior wall of the maxilla were observed by paranasal sinus computed tomography, and sinus endoscopic surgery and Caldwell Luc operation were performed. The intraoperative biopsy showed findings suitable for invasive fungal sinusitis. Based on this, a secondary medial maxillectomy was performed; however, peripheral T-cell lymphoma mixed with invasive fungal sinusitis was reported on the permanent biopsy. We report a case of peripheral T-cell lymphoma mixed with invasive fungal sinusitis of maxillary sinus.

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Primary B cell lymphoma of paranasal sinuses: a diagnostic surprise

Cited by 3 publications

References 7 publications

Bilateral Non-Hodgkin Lymphoma of Maxillary Sinus with CNS Metastasis

Bilateral Non-Hodgkin Lymphoma of Maxillary Sinus with CNS Metastasis

Extraction of Copper, Nickel and Cobalt from Indian Ocean Polymetallic Nodules

A Case of Peripheral T-Cell Lymphoma Mixed With Invasive Fungal Sinusitis of Maxillary Sinus

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