Arbaz Samad

Publications22
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Citations95
Highly Influential Citations8
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Cercariform cells: Another cytologic feature distinguishing solid pseudopapillary neoplasms from pancreatic endocrine neoplasms and acinar cell carcinomas in endoscopic ultrasound‐guided fine‐needle…
TLDR
The objective of the current multi‐institutional study was to define the value of cercariform cells in the differential diagnosis of SPPN with other neoplasms characterized cytologically by the presence of monotonous, uniform cells in pancreatic aspirates: pancreatic neuroendocrine tumors (Pan‐NETs) and acinar cell carcinomas (ACCs).
Large platelet aggregates in endoscopic ultrasound‐guided fine‐needle aspiration of the pancreas and peripancreatic region: A clue for the diagnosis of intrapancreatic or accessory spleen
TLDR
A review of 10 consecutive cases of EUS‐FNA‐sampled benign intraabdominal lymph nodes showed that the presence of large platelet aggregates, three‐dimensional aggregates of lymphoid cells and of bland slender spindle cells and the absence of follicular germinal cell components are useful in differentiating IPIASs from reactive lymph nodes.
Follicular lymphoma transformed to “double‐hit” B lymphoblastic lymphoma presenting in the peritoneal fluid
TLDR
A case of B‐lymphobastic lymphoma arising through transformation of follicular lymphoma diagnosed on peritoneal fluid cytology, flow cytometry, and cytogenetic studies in a 53‐year‐old man who presented with abdominal pain, shortness of breath, night sweats, extensive lymphadenopathy, pleural effusion, and ascites is reported.
Endoscopic ultrasound‐guided fine‐needle aspiration diagnosis of large cell neuroendocrine carcinoma of the gallbladder and common bile duct: Report of a case
TLDR
The cytopathologic findings of a case of large cell neuroendocrine carcinoma (LCNEC) of the gallbladder and extrahepatic bile ducts in a 67‐year‐old woman who presented with progressive abdominal pain and jaundice and the diagnosis was confirmed at autopsy.
Calcifications in an endoscopic ultrasound‐guided fine‐needle aspirate of chronic pancreatitis
TLDR
Endosonographic imaging of the pancreas was consistent with chronic pancreatitis in head and body of the Pancreas, and the parenchyma of the pancreatic tail was diffusely and severely hypoechoic and showed multiple shadowing, echogenic foci, likely representing calcifications.
Cytologic features of pancreatic adenocarcinoma with “vacuolated cell pattern.” report of a case diagnosed by endoscopic ultrasound‐guided fine‐needle aspiration
TLDR
The endoscopic ultrasound‐guided fine‐needle aspiration (EUS‐FNA) cytologic features of a case of pancreatic adenocarcinoma with “vacuolated cell pattern” occurring in a 60‐year‐old man allowing its differentiation from primary and metastatic signet‐ring cell carcinomas are reported.
Intracellular and extracellular hyaline globules in endobronchial ultrasound‐guided transbronchial needle aspiration of mediastinal lymph node: A clue for the diagnosis of metastatic hepatocellular…
TLDR
Imaging studies revealed bilateral pleural-based nodules and enlarged mediastinal lymph nodes and numerous large, sharply outlined, homogenous glassy intracytoplasmic and extracellular metachromatic pink, magenta or purple globules, which could be differentiated from tumor cell nuclei.
Endobronchial ultrasound‐guided transbronchial needle aspiration diagnosis of mediastinal lymph node metastasis of mucinous adenocarcinoma: Arborizing stromal meshwork fragments as a diagnostic clue
TLDR
The presence of the large spidery stromal fiber fragments is a useful clue to the presence of a mucinous neoplasm in EBUS‐TBNA and allows the differentiation of the neoplastic mucus from contaminating endobronchial mucus.
Psammoma bodies and abundant stromal amyloid in an endoscopic ultrasound guided fine needle aspirate (EUS‐FNA) of a pancreatic neuroendocrine tumor: A potential pitfall
A 42-year-old male presented to our institution with a 2-month history of several episodes of confusion, double vision, headache, and loss of consciousness. The blood glucose levels measured during…
Cardiac Amorphous Tumour (CAT) Presenting with Thrombocytopenia.
TLDR
An interesting case of CAT that was associated with unexpectedly low platelet count is presented and a rare cardiac lesion with an excellent prognosis after complete surgical removal is presented.
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