Publications by authors named "Bijan Basak"

Background: Ovarian cancer is the fifth common cause of death due to cancer in women. It constitutes 3% of all cancers in females and 15%-20% of genital malignancy. Most of the ovarian cancers are serous type followed by the endometrioid type.

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This paper introducesnear-set based segmentation method for extraction and quantification of mucin regions for detecting mucinouscarcinoma (MC which is a sub type of Invasive ductal carcinoma (IDC)). From histology point of view, the presence of mucin is one of the indicators for detection of this carcinoma. In order to detect MC, the proposed method majorly includes pre-processing by colour correction, colour transformation followed by near-set based segmentation and post-processing for delineating only mucin regions from the histological images at 40×.

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Ki-67 protein expression plays an important role in predicting the proliferative status of tumour cells and deciding the future course of therapy in breast cancer. Immunohistochemical (IHC) determination of Ki-67 score or labelling index, by estimating the fraction of Ki67 positively stained tumour cells, is the most widely practiced method to assess tumour proliferation (Dowsett et al. 2011).

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Mucinous carcinoma (MC) of the breast is very rare (∼1-7% of all breast cancers), invasive ductal carcinoma. Presence of pools of extracellular mucin is one of the most important histological features for MC. This paper aims at developing a quantitative computer-aided methodology for automated identification of mucin areas and its percentage using tissue histological images.

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Primary sarcoma of the breast is very rare and constitutes less than 1% of all breast cancers. Herein, we report a case of pleomorphic rhabdomyosarcoma (PRMS) of the right breast in a 49-year-old female patient presented with a mass (7 cm × 6.5 cm).

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Background: Papanicolaou (Pap) test is an important and easy diagnostic tool to detect any abnormalities on vaginal cytology. Pap test is routinely done in women of reproductive age group in many countries.

Aim: The aim of this study was to detect spectrum of abnormalities in female sex workers (FSWs) on vaginal cytology.

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Endoscopic sinus surgery has developed a new era in the treatment of chronic dacryocystitis. A prospective study was conducted by taking 67 patients having epiphora. Endo DCR was performed under local anaesthesia.

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Background: The Bethesda system for reporting thyroid cytopathology represents a major step towards standardization, reproducibility, improved clinical significance, and greater predictive value of thyroid fine needle aspirates (FNAs).

Aims: To elucidate the utility of the Bethesda system in reporting thyroid FNAs.

Materials And Methods: We retrospectively reviewed thyroid FNAs between April 2009 and March 2012, classified them using the Bethesda system, found out the distribution of cases in each Bethesda category, and calculated the malignancy risk for each category by follow-up histopathology.

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Myringoplasty is a procedure which deals on repair of the tympanic membrane. This procedure can be done via postaural, endaural or endomeatal route. Various grafts such as temporalis fascia, vein graft, perichondrium are used.

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The cross-sectional study was conducted to assess the clinico-epidemiological profile, perceptions and clinical profile of the chronic suppurative otitis media (CSOM) patients in a tertiary care hospital. A pretested questionnaire was used containing open questions and the patients were assessed clinically. Most patients (31.

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Epistaxis is one of the commonest ENT emergencies. It affects people of all ages, more commonly males. Bleeding may be due to local nasal pathology, systemic diseases, or sometimes no specific cause is found, which is called idiopathic epistaxis.

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A 30-year-old male presented with accidental injury with an arrow which referred to us from a peripheral village hospital. It was found that the arrow was penetrating through the nasal bones. An xray skull lateral view showed the tip of the arrow penetrating into the posterior wall of the sphenoid sinus.

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Objective: Aim of this study is evaluation of course of improvement of surgically treated cases of chronic suppurative otitis media (CSOM) with cholesteatoma; it includes hearing status, condition of mastoid cavity, study of different, natural and surgical condition and recurrence of disease within the study period.

Design: It is a prospective study.

Settings: This study was conducted in a premiere government hospital in Kolkata between May 2007 to April 2008.

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Chronic suppurative otitis media (CSOM) is one of the commonest disease entities encountered in otolaryngology practice. Due to poor economic conditions poor hygiene lack of education and death of knowledge about the disease and its complications, we frequently encounter patients of CSOM with extracranial and intracranial complications. Among the intracranial complications otogenic brain abscess is one of the dreadest.

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