A. Ahamad

ORCID: 0000-0002-1802-4495
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About
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Research Areas
  • Head and Neck Cancer Studies
  • Advanced Radiotherapy Techniques
  • Head and Neck Surgical Oncology
  • Radiomics and Machine Learning in Medical Imaging
  • Medical Imaging Techniques and Applications
  • Cancer Diagnosis and Treatment
  • Management of metastatic bone disease
  • Endometrial and Cervical Cancer Treatments
  • Radiation Dose and Imaging
  • Breast Cancer Treatment Studies
  • Occupational and environmental lung diseases
  • Salivary Gland Tumors Diagnosis and Treatment
  • Advances in Oncology and Radiotherapy
  • Radiation Therapy and Dosimetry
  • Bladder and Urothelial Cancer Treatments
  • Thyroid and Parathyroid Surgery
  • Pleural and Pulmonary Diseases
  • Palliative Care and End-of-Life Issues
  • Thyroid Cancer Diagnosis and Treatment
  • Medical Imaging and Analysis
  • Ovarian cancer diagnosis and treatment
  • Breast Implant and Reconstruction
  • Sinusitis and nasal conditions
  • Ear and Head Tumors
  • Tracheal and airway disorders

Digital Health Cooperative Research Centre
2022

Digital China Health (China)
2022

21st Century Oncology (United States)
2011-2020

University of Miami
2018-2019

Sylvester Comprehensive Cancer Center
2018-2019

Theodore Roosevelt High School
2018

The University of Texas MD Anderson Cancer Center
2001-2012

University of the West Indies
2012

University of the West Indies System
2008

Mississippi Delta Community College
2006

Malignant pleural mesothelioma often recurs locally in spite of aggressive resection by extrapleural pneumonectomy and conventional radiotherapy. This may be due to failure recognize the extent clinical target volume (CTV) or suboptimal dose delivery a that abuts heart, esophagus, liver, lung, kidney, spinal cord. We report how these geometric/dosimetric constraints were overcome exploiting intensity-modulated radiotherapy first cohort patient.Twenty-eight patients who had undergone treated...

10.1097/00130404-200311000-00008 article EN The Cancer Journal 2003-11-01

Abstract BACKGROUND. Squamous cell carcinoma (SCC) of the eyelid is a rare malignancy with metastatic potential. In current study, outcomes patients SCC were evaluated after definitive and postoperative radiation therapy. METHODS. The medical records all treated radiotherapy for at 1 institution between 1950 2005 reviewed. Patient analyzed clinical characteristics, pathologic features, techniques, outcomes. Survival rates calculated using Kaplan‐Meier method; factors affecting survival...

10.1002/cncr.23143 article EN Cancer 2007-10-26

Abstract BACKGROUND. Basaloid squamous cell carcinoma (BSCC) is an uncommon, high‐grade variant of (SCC) the head and neck. Its poorer prognosis compared with common SCC remains controversial. The authors investigated outcomes patients BSCC who received radiotherapy them SCC. METHODS. From 1994 to 2004, 1007 for neck lymph node involvement. histologic types consisted 51 BSCC, 431 poorly differentiated (PSCC), 525 well or moderately (WMSCC). A case–control analysis was performed matched...

10.1002/cncr.23486 article EN Cancer 2008-04-21

To investigate interobserver variability in the delineation of head-and-neck (H&N) anatomic structures on CT images, including effects image artifacts and observer experience.Nine observers (7 radiation oncologists, 1 surgeon, physician assistant) with varying levels H&N experience independently contoured gross tumor volumes critical therapy treatment planning images alongside reference diagnostic for 4 patients oropharynx cancer. Image from dental fillings partially obstructed 3 images....

10.1097/01.coc.0000256704.58956.45 article EN American Journal of Clinical Oncology 2007-03-30

Objective: To compare dose-volume histograms (DVHs) for 3 target volumes (group 1, prostate + seminal vesicles pelvic lymph nodes; group 2, vesicles; 3, only) to determine the difference in dose normal structures (rectum, bladder, and femoral heads) while controlling using 3-dimensional conformal radiation therapy (3DCRT) versus intensity modulated (IMRT). Methods: Ten patients with localized cancer were randomly selected. 3DCRT IMRT planning done deliver 75.6 Gy prostate, 50.4 nodes, 55.8...

10.1097/01.coc.0000172281.32437.d4 article EN American Journal of Clinical Oncology 2005-11-29

ABSTRACT Background The rising cancer incidence in developing countries outpaces easy access to care. Time and effort spent on travel for care is a burden patients detracts from patient centredness, efficiency, equitability. In Trinidad Tobago, significant distress was observed among who made long journeys the single public clinic. journey time non-radiotherapy measured. Methods Over 19 weekdays June 2007, study assessed estimated per visit (ETT), reason care, number of visits during their...

10.1136/pgmj.2010.111930 article EN Postgraduate Medical Journal 2011-06-27

e18261 Background: We describe and analyze the quantity, nature spectrum of questions asked by patients at consultation for radiotherapy to clarify volume that have inform extent which pre-composed non-personalized educational material is sufficient. Methods: With IRB approval, we retrospectively reviewed records consultations were performed a single radiation oncologist from 2012 2016. Patients had been list all their exhaustively, then documented. To define topics data abstraction,...

10.1200/jco.2017.35.15_suppl.e18261 article EN Journal of Clinical Oncology 2017-05-20
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