Authors

Norman O. Machado

Publications 5

Research article Open access

Papillary Carcinoma of theThyroid Presenting Primarily as Cervical Lymphadenopathy: An approach to management

Norman O. Machado, Pradeep J. Chopra, Aisha · Sultan Qaboos University Medical Journal · 2025 · 10.18295/2075-0528.2810

Papillary carcinoma of thyroid usually presents as a palpable thyroid mass. This could be associated with pain, hoarseness, stridor or dysphagia. Rarely, it presents solely as cervical lympadenopthy in the presence of an otherwise grossly normal thyroid gland. This could pose management problems. We report here a middl …

Research article Open access

Sigmoid Volvulus Complicating Pregnancy Managed by Resection and Primary Anastomosis Case report with literature review

Norman O. Machado, Lovina SM Machado · Sultan Qaboos University Medical Journal · 2025 · 10.18295/2075-0528.2768

Sigmoid volvulus is an extremely rare cause of intestinal obstruction in pregnancy. The rarity of the condition and the fact that pregnancy itself clouds the clinical picture invariably leads to a delay in diagnosis with an increased risk of gangrene of the gut. The majority of these patients would then require resecti …

Review article Open access

Porcelain Gallbladder: Decoding the malignant truth

Norman O. Machado · Sultan Qaboos University Medical Journal · 2025 · 10.18295/squmj.2016.16.04.003

Gallbladder calcification, also referred to as porcelain gallbladder, has received significant attention in the medical literature due to its perceived role in increasing the risk of developing a gallbladder carcinoma. However, recent reports raise questions challenging this purported high risk. While previous studies …

Review article Open access

Sclerosing Encapsulating Peritonitis: Review

Norman O. Machado · Sultan Qaboos University Medical Journal · 2025 · 10.18295/squmj.2016.16.02.003

Sclerosing encapsulating peritonitis (SEP) is a rare chronic inflammatory condition of the peritoneum with an unknown aetiology. Also known as abdominal cocoon, the condition occurs when loops of the bowel are encased within the peritoneal cavity by a membrane, leading to intestinal obstruction. Due to its rarity and n …

Review article Open access

Hepatic or Cystic Artery Pseudoaneurysms Following a Laparoscopic Cholecystectomy: Literature review of aetiopathogenesis, presentation, diagnosis and management

Norman O. Machado, Adil Al-Zadjali, Anupam K. Younus et al. · Sultan Qaboos University Medical Journal · 2025 · 10.18295/squmj.2016.17.02.002

Pseudoaneurysms (PSAs) of the hepatic and/or cystic artery are a rare complication following a laparoscopic cholecystectomy (LC). Generally, PSA cases present with haemobilia several weeks following the procedure. Transarterial embolisation (TAE) is considered the optimal management approach. We report a 70-year-old wo …

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