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Fulltext Jejunal GIST: Hunting down an unusual cause of gastrointestinal bleed using double balloon enteroscopy. A case report

Dualim DM, Loo GH, Rajan R, Nik Mahmood NRK

Int J Surg Case Rep, 2019;60:303-306.
PMID: 31277041 DOI: 10.1016/j.ijscr.2019.06.053

INTRODUCTION: Gastrointestinal stromal tumours (GISTs) are the most common mesenchymal neoplasms of the alimentary tract but accounts for only 0.1-3% of all gastrointestinal neoplasms. The most common presentation of GISTs is acute or chronic gastrointestinal bleeding, in which the patient presents with symptomatic anaemia.
PRESENTATION OF CASE: With that in mind, we describe a 66-year-old man who presented with recurrent episodes of obscure gastrointestinal bleeding for two years. Video capsule endoscopy (VCE) showed several small telangiectasias in the proximal small bowel. Oral route double-balloon enteroscopy (DBE) revealed abnormal mucosa 165 cm from incisor with central ulceration and vascular component. He subsequently underwent surgical excision. The histopathological report confirmed the diagnosis of GIST arising from the jejunum. During his clinic follow up, he remains symptom-free with no evidence of recurrence.
DISCUSSION: The diagnosis of bleeding small intestine GISTs can be challenging as these are inaccessible by conventional endoscopy. Imaging modalities such as double-balloon enteroscopy, capsule endoscopy, CT angiography, intravenous contrast-enhanced multidetector row CT (MDCT) and magnetic resonance enterography (MRE) have been used to assist in the diagnosis of bleeding small intestine GISTs. The mainstay of management for small intestine GIST is complete surgical excision.
CONCLUSION: Bleeding jejunal GIST is very rare and only a handful of case reports have been published. The mainstay of management for small intestine GIST is complete surgical excision. It is essential to obtain a complete excision of localised disease and avoiding tumour spillage in order to reduce the risk of local recurrence and metastatic spread of GISTs.
Fulltext The 'CASTLE' tumour: An extremely rare presentation of a thyroid malignancy. A case report

Dualim DM, Loo GH, Suhaimi SNA, Md Latar NH, Muhammad R, Abd Shukor N

Ann Med Surg (Lond), 2019 Aug;44:57-61.
PMID: 31312445 DOI: 10.1016/j.amsu.2019.06.013

Thyroid carcinoma showing thymic-like differentiation (CASTLE) is a rare malignancy of the thyroid gland, and it accounts for 0.1-0.15% of all thyroid cancers. As the name suggests, it has a histological and immunophenotypic resemblance to thymic carcinoma. Preoperative diagnosis of CASTLE can be difficult as its clinical manifestations, and histological characteristic resembles other aggressive and advanced thyroid carcinomas. It is essential to distinguish CASTLE from other aggressive neoplasms as the former has a more favourable prognosis. Immunohistochemical staining with CD5 can help to differentiate thyroid CASTLE from other aggressive thyroid neoplasms. Due to the rarity of this disease, there is no clear definitive treatment strategy. Surgical resection of CASTLE is usually attempted initially. Nodal involvement and extrathyroidal extension are shown to be the main prognostic factors that influenced the survival of patients. Therefore, complete resection of the tumour is vital to reduce local recurrence rates and to improve the chance of long-term survival. Radiotherapy (RT) for CASTLE is an effective treatment. Curative surgery followed by adjuvant RT should be considered in cases with extrathyroidal extension and nodal metastases. With RT, shrinkage of the tumour and reduction of local recurrence rate is possible. With that in mind, we present a case of CASTLE who presented with airway compression symptoms three years after thyroid surgery. He subsequently underwent tumour debulking surgery and a tracheostomy. The patient refused adjuvant chemoradiotherapy, and during our serial follow-up, he is well and symptom-free.
Fulltext A Rare Incidence of Splenic Artery Aneurysm and Hypersplenism

M Azmi N, Safri LS, Abdul Rahman N, Dualim DM, Chandrakanthan S

Cureus, 2024 Feb;16(2):e54280.
PMID: 38371434 DOI: 10.7759/cureus.54280

A 31-year-old woman with Child's B liver cirrhosis with portal hypertension and splenomegaly presented with a one-month history of abdominal pain. A physical examination confirmed splenomegaly. A blood investigation revealed a low white blood cell (WBC) and platelet count. Computed tomography (CT) revealed a splenic artery aneurysm at the distal splenic artery measuring 3.4 x 3.4 x 4.3 cm (AP x W x CC) with thrombus and splenic infarction. A successful angiographic embolisation was performed without immediate complications. The abdominal pain symptoms resolved, leading to the patient's discharge from the ward on the third day post-embolisation. Follow-up at the surgical outpatient clinic indicated the patient remained asymptomatic, and repeated blood counts showed improvement in both WBC and platelet counts. Furthermore, follow-up CT scans demonstrated a reduction in spleen size, indicating positive outcomes and a favourable response to the intervention.
Fulltext Radiofrequency Ablation for Internal Hemorrhoids: A Case Series

Koay KL, Mohammad Azmi N, Chandrakanthan S, Dualim DM, Abdul Rahman NA

Cureus, 2024 May;16(5):e61405.
PMID: 38947711 DOI: 10.7759/cureus.61405

Internal hemorrhoids are a common issue in general surgery and are one of the leading causes of lower gastrointestinal bleeding globally. Numerous treatment options exist for managing this challenging condition. One relatively new treatment method is radiofrequency ablation for internal hemorrhoids (RAFAELO). According to the limited publications, this method is described as simple, quick, and safe. In this case series, we present five patients with internal hemorrhoids who were treated using the RAFAELO method and discuss their management and outcomes.
The Curious Incidence of Mucinous Adenocarcinoma Masquerading as Perianal Hidradenitis Suppurativa

Nasir H, Mohammad Azmi N, Dualim DM, Azman ZA, Abdul Rahman NA

Cureus, 2024 Apr;16(4):e57585.
PMID: 38707052 DOI: 10.7759/cureus.57585

Hidradenitis suppurativa (HS), also known as acne inversa, is a chronic inflammatory disorder affecting the terminal follicular epithelium within the apocrine skin glands. When these lesions develop in the genital and perianal regions, there is a potential risk of progression to squamous cell carcinoma or mucinous adenocarcinoma. The tumor may appear in the perianal area, perineum, or buttocks. Here, we present a rare case of long-standing perianal HS with associated fistula-related mucinous adenocarcinoma and the challenges we faced in managing this condition.