mahmoud_ahmed1

Mahmood Ahmed Hamed Ahmed

Lecturer - Lecturer

Faculty of medicine

Address: Otorhinolaryngology Department, Sohag University Hospitals, Sohag, 82524, Egypt

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 Dr-Mahmood Ahmed Hamed Ahmed ;MD

Lecturer at Otothinolaryngology Department , Sohag University, Egypt

Previous research fellow at Fujita Health University School of Medicine, Second affiliated hospital,Nagoya, 

Aichi,Japan

 

 

Okra Pod is a Serious Swallowed Foreign Body

2018-10-22 19:45:18 | Keywords aerodigestive, swallow, unusual, okra, foreign body,
Okra Pod is a Serious Swallowed Foreign Body
Swallowed foreign bodies are common entity in our practice especially in children. Most ingested objects pass smoothly through the gastrointestinal tract or endoscopic ally removed. However, some patients experience undesirable outcomes We reported 3 cases under one year old (1 female, 2 males) brought to our ENT emergency by history of unusual ingested foreign body (Okra-pod); they were presented with ... Read more

Identification of Fungal Pathogens in Otomycosis and Their Drug Sensitivity: Our Experience

2018-10-22 19:51:21 | Keywords otomycosis, Yeast, Aspergillus, Candida,
Identification of Fungal Pathogens in Otomycosis and Their Drug Sensitivity: Our Experience
Introduction Otomycosis is a common problem in otolaryngology practice. However, we usually encounter some difficulties in its treatment because many patients show resistance to antifungal agents, and present high recurrence rate. Objectives To determine the fungal pathogens that cause otomycosis as well as their susceptibility to the commonly used antifungal agents. Additionally, to discover the main reasons for antifungal resistance. ... Read more

Cytokeratin expression pattern in acquired cholesteatoma versus meatal skin; an immunochemical study.

2018-10-22 19:59:20 | Keywords cytokeratin, Acquired, cholesteatoma, Immunohistochemistry,
Cytokeratin expression pattern in acquired cholesteatoma versus meatal skin; an immunochemical study.
Cholesteatoma is a proliferative disease of the middle ear with bone resorption activity. Its pathogenesis remains controversial and has yet to be clarified. Cytokeratins represent a well-known epithelial proliferative and differentiation markers. In the current study, we investigated expression of a large set of cytokeratins in cholesteatoma matrix versus deep meatal skin tissues from the same patients. Methodology: An immunohistochemical ... Read more

SOM CLEFT Scoring/Staging System for Tympanomastoid Cholesteatoma

2018-10-22 20:09:15 | Keywords staging, cholesteatoma, cancer, Immunohistochemistry,
SOM CLEFT Scoring/Staging System for Tympanomastoid Cholesteatoma
_OBJECTIVES_: To adopt a newly designed scoring/staging system for of tympanomastoid cholesteatoma similar to cancer staging protocols. _METHODS_: Our system relied on clinical, CT findings, and confirmed with intraoperative findings. All bony items that could be affected by cholesteatoma were scored, including: scutum (S), ossicles (O), mastoid (M), posterior canal wall (C), lateral sinus plate (L), inner ear (E), facial ... Read more

Cytokeratin 13, Cytokeratin 17, and Ki-67 Expression in Human Acquired Cholesteatoma and Their Correlation with Its Destructive Capacity

2018-10-22 19:33:49 | Keywords Cytokeratin 17, Bone Resorption, middle ear, cholesteatoma,
Cytokeratin 13, Cytokeratin 17, and Ki-67 Expression in Human Acquired Cholesteatoma and Their Correlation with Its Destructive Capacity
OBJECTIVES Cholesteatoma is a nonneoplastic destructive lesion of the temporal bone with debated pathogenesis and bone resorptive mechanism. Both molecular and cellular events chiefly master its activity. Continued research is necessary to clarify factors related to its aggressiveness. We aimed to investigate the expression of Ki-67, cytokeratin 13 (CK13) and cytokeratin 17 (CK17) in acquired nonrecurrent human cholesteatoma and correlate ... Read more

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