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Search Results: 1 - 10 of 93 matches for " Shahnawaz Ahangar "
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Primary Malignant Peripheral Nerve Sheath Tumor of the Breast—A Case Report  [PDF]
Mushtaq Chalkoo, Shahnawaz Ahangar, Asim Rafiq Laharwal, Aasim Mushtaq Patloo, Abbass Mohd, Shabir Ahmed Dar
Surgical Science (SS) , 2011, DOI: 10.4236/ss.2011.23028
Abstract: Malignant peripheral nerve sheath tumor is a rare soft tissue sarcoma. Breast is an extremely rare location of this lesion and presentation as a breast lump in the absence of pain or previous benign neural tumor is even rarer. We report such a lesion in a 60 year-old female who presented with hard and painless breast lump for 2 years. Histopathology revealed a malignant spindle cell tumor of low grade potential. It was subsequently confirmed to be malignant peripheral nerve sheath tumor (MPNST) on the basis of immunopositivity for vimentin, neurone specific enolase and S-100.
Polycystic Ovarian Syndrome: Clinical Correlation with Biochemical Status  [PDF]
Rahila Yousouf, Musadiq Khan, Zeenat Kounsar, Shahnawaz Ahangar, Wasim Abdullah Lone
Surgical Science (SS) , 2012, DOI: 10.4236/ss.2012.35048
Abstract: Objective: To find out the correlation between various biochemical and clinical features of polycystic ovarian syndrome and to determine the best hormonal marker for the same. Material and Methods: The study included 100 patients of polycystic ovary syndrome (50 married & 50 unmarried) and a control group comprising of 50 women (25 married & 25 unmarried) in the age group of 18 - 30 years. The pregnant females and those having hyperandrogenism due to any other endocrine disorders were excluded. Results: Mean age was 27.66 years in the married study group and 25.46 years in the unmarried study group. About 71% of patients had oligomenorrhea. It significantly correlated with raised LH:FSH ratio and raised total testosterone levels. Body mass index was raised (>25 kg/m2) in 66.7% married and 72.66% unmarried patients in study group and in 22% in control group. 95% of the patients in the study group and 4% in the control group were detected to have polycystic ovaries on ultrasonography. 62% of the patients had raised LH levels; total testosterone was elevated in 57.7%. The LH:FSH ratio was raised in 41% in study group patients more in the unmarried group 56% than in married group 26%. 20% of patients in the control group had an elevated LH:FSH ratio. Total testosterone level was elevated in 60% of our patients. None of the patient in the control group had elevated testosterone levels. About 31% of the patients in study group were hirsute. Conclusion: Hormonal values correlate well with polycystic ovarian syndrome and serum total testosterone served as the best hormonal marker for such patients.
Multiple Calcifying Epitheliomas of Malherbe’s of Axilla: A Case Report of Rare Variety  [PDF]
Mushtaq Chalkoo, Shahnawaz Ahangar, Naseer Awan, Mujahid Ahmad Mir, Aarif Bashir, Nida Shafiq
Surgical Science (SS) , 2014, DOI: 10.4236/ss.2014.56042
Abstract:

Pilomatrixoma, a rare benign tumour of sebaceous gland is commonly known as calcifying epithelioma of Malherbe or Tricholemmal cyst. We came across even the rarest form of this benign tumour of skin. Our case report was interestingly detected at a higher age group, unusual site of the body, multiple in nature following postoperative incision drainage of abscess in left axilla.

An Early Experience of Stapled Hemorrhoidectomy in a Medical College Setting  [PDF]
Mushtaq Chalkoo, Shahnawaz Ahangar, Naseer Awan, Varun Dogra, Umer Mushtaq, Hilal Makhdoomi
Surgical Science (SS) , 2015, DOI: 10.4236/ss.2015.65033
Abstract:

Background: Stapled hemorrhoidectomy, popularly known as Longo technique is in use for the treatment of hemorrhoids since its first description to surgical fraternity in the world congress of endoscopic surgeons in 1998. Objectives: To evaluate the feasibility, patient acceptance, recurrence and results of stapled haemorrhoidectomy in our early experience. Methods: Between Jan 2012 and Dec 2013, 42 patients with symptomatic GRADE III and IV hemorrhoids were operated by stapled hemorrhoidectomy by a single surgeon at our surgery department. The evaluation of this technique was done by assessing the feasibility of the surgery; and recording operative time, postoperative pain, complications, hospital stay, return to work and recurrence. Results: All the procedures were completed successfully. The mean (range) operative time was 30 (20 - 45) min. The blood loss was minimal. Mean (range) length of hospitalization for the entire group was 1 (1 - 3) days. Only 3 patients required more than 1 injection of diclofenac (75 mg) while as rest of the patients were quite happy switching over to oral diclofenac (50 mg) just after a single parenteral dose. All the patients returned to their routine work in less than a week’s time. The mean (range) follow-up was 6 (4 - 12) months. There were no major intraoperative or postoperative complications except for retention of urine in 8 patients. The patients are still on regular follow-up and have not had recurrence as yet. Conclusion: Stapled hemorrhoidectomy technique is a safe alternative to the traditional Milligan-Morgan technique. It can be performed as an office procedure, is well tolerated by patients and is cost effective than conventional surgical therapy.

A Point-Specific Site for Placement of Epigastric Port in Iaparoscopic Management of Gallbladder Disease: An Observational Study  [PDF]
Mushtaq Chalkoo, Shahnawaz Ahangar, Faud Sadiq Baqal, Alfar Ah Nafae, Muntakhab Nafae, Raiees Ahmad Malla, Ajaz Ahmad Mallar
Surgical Science (SS) , 2013, DOI: 10.4236/ss.2013.47060
Abstract:

Backgound: Laparoscopic cholecystectomy has revolutionized the world in the surgical management of benign gallbladder disease. However, for any procedure to learn properly, anatomy becomes a major concern. Aims and Objectives: We present a point, a convenient site, speedily accessible by our maneuver of placing epigastric port on the patient. Materials and Methods: This is an outcome of an observation with the prospective study of 100 patients irrespective of age, sex, body habitus and severity of gallstone disease. Our point for epigastric port satisfies all the criteria for an ideal port. Results: Our general observation with majority of patients with this point specific epigastric port placement was that it is easy to locate, needs less thrust on trocar for creation, stays on the linea alba, is easily maneuverable facilitates safe, easy and speedy dissection, causes less portal bleeds and is easy to angulate towards the right of falciform ligament. Conclusion: The point specific epigastric port conveys many benefits to the operating surgeon in terms of easy location, adds safety and speed to the procedure, causes less portal bleeds, needs less thrust and is easy to angulate to the right of the falciform ligament adding technical ease to the surgeon. It is easy to be learnt, taught and practiced by the young surgeons.

Cholecystoduodenal Fistula:An Intraoperative Diagnosis
M.R. Attri, Shahnawaz Ahangar, Rajni Bhardwaj
JK Science : Journal of Medical Education & Research , 2010,
Abstract: We report a case of chronic cholecystitis that had no preoperative diagnosis of cholecystoduodenal fistulabut was found during laparoscopic cholecystectomy and was managed successfully.
Delayed Mesh Infection: A Rare Complication of Laparoscopic Inguinal Hernia Repair (TEP—Totally Extra-Peritoneal Repair)  [PDF]
Anand Kumar Yadav, Vivek Bindal, Vinod Kumar Jangra, Zuber Khan, Shahnawaz Ahangar, Vikram Sharanappa, Mukund Khetan, Suviraj John, Sudhir Kalhan, Parveen Bhatia
Surgical Science (SS) , 2016, DOI: 10.4236/ss.2016.710061
Abstract: Hernias are amongst the oldest afflictions of mankind. The tension-free mesh repairs revolutionized and radically changed the whole concept of anatomical tissue repairs. The introduction of mesh, though beneficial, posed a new set of postoperative problems with the mesh infection being the most morbid one. Laparoscopic surgery has been able to reduce the incidence of mesh infection as opposed to the open hernia repairs. The infection occurs mostly early but rarely does it present several years after the surgery. Herein we report our case of delayed mesh infection developing 6 years postoperatively. This is our first such case in a series of more than 1000 laparoscopic hernia repairs over a period of 6 years (2010-2016). The patient needed an open exploration which revealed a large preperitoneal cavity containing 770 ml of pus with a mesh floating in it. The mesh was removed and the thorough toileting of the wound was done.
Complex Matter Space and Relativistic Quantum Mechanics  [PDF]
Reza Ahangar
Applied Mathematics (AM) , 2014, DOI: 10.4236/am.2014.521317
Abstract: The Special Relativity Theory cannot recognize speed faster than light. New assumption will be imposed that matter has two intrinsic components, 1) mass, and 2) charge, that is M = m + iq. The mass will be measured by real number system and charged by an imaginary unit. This article presents a Complex Matter Space in Relativistic Quantum Mechanics. We are hoping that this approach will help us to present a general view of energy and momentum in Complex Matter Space. The conclusion of this article on Complex Matter Space (CMS) theory will lead help to a better understanding toward the conversion of mass and energy equation, unifying the forces, and unifying relativity and quantum mechanics.
The Relativistic Geometry of the Complex Matter Space  [PDF]
Reza Ahangar
Journal of Applied Mathematics and Physics (JAMP) , 2017, DOI: 10.4236/jamp.2017.52037
Abstract: Duality behavior of photons in wave-particle property has posed challenges and opportunities to discover other frontiers of fundamental particles leading to the relativistic and quantum description of matter. The speed of particles faster than the speed of light could not be recognized, and matter was always described as a real number. A new fundamental view on matter as a complex value has been introduced by many authors who present a paradigm that is shifted from real or pure imaginary particles to Complex Matter Space. A new assumption will be imposed that matter has two intrinsic components: i) mass, and ii) charge. The mass will be measured by real number systems and charged by an imaginary unit. The relativistic concept of Complex Matter Space on energy and momentum is investigated and we can conclude that the new Complex Matter Space (CMS) theory will help get one step closer to a better understanding toward: 1) Un-Euclidean description of Minkowski Geometry in the context of the Complex Matter Space, 2) transformation from Euclidean to Minkowski space and its relativistic interpretation. Finally, geometrical foundations are essential to have a real picture of space, matter, and the universe.
Variation of Parameters for Causal Operator Differential Equations  [PDF]
Reza R. Ahangar
Applied Mathematics (AM) , 2017, DOI: 10.4236/am.2017.812134
Abstract:
The operator T from a domain D into the space of measurable functions is called a nonanticipating (causal) operator if the past information is independent from the future outputs. We will study the solution x(t) of a nonlinear operator differential equation where its changes depends on the causal operator T, and semigroup of operator A(t), and all initial parameters (t0, x0) . The initial information is described x(t)=φ(t) for almost all tt0 and φ(t0) =φ0. We will study the nonlinear variation of parameters (NVP) for this type of nonanticipating operator differential equations and develop Alekseev type of NVP.
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