Complete Response in Salivary Duct Carcinoma Ex Pleomorphic Adenoma With Upfront Combination of Trastuzumab and Chemo-Hormonal Therapy.

Salivary duct carcinoma (SDC) is one of the rarest malignancies. It can arise de novo or from pre-existing pleomorphic adenoma (carcinoma ex pleomorphic adenoma - CXPA) and can be very aggressive. Here, we present one such case of a 48-year-old male with relapsed, widely invasive SDC ex pleomorphic adenoma of the parotid that was locally advanced with intracranial extension that was refractory to chemo-radiation.

Structural and luminescence properties of novel Eu-doped NaBaLaNbO phosphors with high quantum efficiency and excellent color purity for w-LED applications.

In this study, we report the successful synthesis and thorough characterization of Eu-doped NaBaLaNbO phosphors, targeting their application in white-light-emitting diodes (w-LEDs). The phosphors were synthesized using a high-temperature solid-state method, ensuring robust incorporation of Eu ions into the host lattice. Comprehensive analyses were performed, including X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy-dispersive X-ray (EDX) spectroscopy, Fourier transform infrared (FT-IR) spectroscopy and Raman spectroscopy, confirming the phase purity, crystallinity, morphology, and elemental composition of the phosphors.

The dopant (n- and p-type)-, band gap-, size- and stress-dependent field electron emission of silicon nanowires.

This study investigates the electron field emission (EFE) of vertical silicon nanowires (Si NWs) fabricated on n-type Si (100) and p-type Si (100) substrates using catalyst-induced etching (CIE). The impact of dopant types (n- and p-types), optical energy gap, crystallite size and stress on EFE parameters has been explored in detail. The surface morphology of grown SiNWs has been characterized by field emission scanning electron microscopy (FESEM), showing vertical, well aligned SiNWs.

Hyaline Vascular Variant of Castleman Disease of the Tonsil in an Adolescent: A case Report.

Castleman disease (CD) is a lymphoproliferative disorder classified into two categories as unicentric Castleman disease (UCD) or localized type and multicentric Castleman disease (MCD). A rare case of hyaline vascular variant of tonsil has been presented in which a 14 years old male presented with symptomatic unilateral hypertrophy of right tonsil. A right tonsillectomy was done and surgical pathology report was concluded as hyaline vascular variant of Castleman's disease.

Frozen Section Biopsy and Nephron-Sparing Surgery for a Multiloculated Cyst of the Kidney; Is this the Ideal Approach?

Multiloculated cystic renal masses are uncommon in the pediatric population. The presentation may be as an asymptomatic incidental finding on imaging, abdominal mass, abdominal pain, or urinary tract infection. The differentiation between benign and malignant causes of a cystic lesion by clinical and radiological examination is difficult.

Langerhans cell histiocytosis of a metatarsal bone in an adult female.

Langerhans cell histiocytosis (LCH) commonly occurs in children. It mimics infection and many benign and malignant tumours. This disease mainly involves the spine, skull and long bones, and its incidence is sporadic in the small bones of the foot and hand.

Posttransplant epithelioid inflammatory myofibroblastic sarcoma: A case report.

Epithelioid inflammatory myofibroblastic sarcoma (EIMS) is a rare entity and a novel variant of inflammatory myofibroblastic tumor (IMT), usually seen in children and nonsmoking young adults. Their occurrence in a posttransplant setting is still rare. These tumors are characterized by prominent epithelioid morphology, large histiocytoid "Reed Sternberg"-like cell, unique pattern of ALK immuno-reactivity, and aggressive clinical behavior.

Renal Allograft Dysfunction: Evaluation with Shear-wave Sonoelastography.

Purpose To evaluate whether shear-wave sonoelastography can help differentiate stable renal allograft from acute allograft dysfunction and chronic allograft dysfunction and to correlate shear-wave sonoelastography measurements with resistive index (RI), serum creatinine level, estimated glomerular filtration rate (eGFR) obtained with the Nankivell equation, and biopsy findings. Materials and Methods A prospective study of 60 patients who had undergone renal transplantation was conducted between October 2014 and March 2016. Patients were classified as having stable allograft, acute allograft dysfunction, or chronic allograft dysfunction on the basis of clinical parameters.

PSMA Expression in Multinodular Thyroid Neoplasm on Simultaneous Ga-68-PSMA PET/MRI.

PSMA PET is increasingly being used in imaging of recurrent prostate carcinoma. A case with suspected recurrent Prostate carcinoma (PCa), raised PSA (Prostate specific antigen) and suspected spinal metastases was referred for whole body Ga-68-PSMA PET/MRI. The study revealed PSMA avid recurrent prostate mass and extensive osseous metastases.

Eosinophilic ascites: A diagnostic and therapeutic challenge.

Eosinophilic gastroenteritis (EGE) is a rare condition characterized by eosinophilic infiltration of the gastrointestinal tract. Depending on the dominant layer of infiltration it is classified into three types namely, mucosal, muscularis and subserosal. The most uncommon variant is the subserosal type characterized by primarily subserosal disease, eosinophilic ascites and peripheral hypereosinophilia.

68Ga-PSMA Uptake in Hepatocellular Carcinoma.

Ga-PSMA based integrated PET/MRI is emerging as a novel imaging technique for the staging of prostate carcinoma. We report a case of a 77-year-old man with raised prostate-specific antigen who presented to us for Glu-NH-CO-NH-Lys-(Ahx)-[Ga-(HBED-CC)] (Ga-PSMA) simultaneous PET/MRI scan for prostate cancer evaluation. A PSMA avid hepatic lesion on the background of cirrhotic liver was noted apart from PSMA avid lesion in the peripheral gland of the prostate.

Concurrent RCC with tuberculous para-aortic lymphadenopathy: A pleasant surprise.

A middle-aged man with end-stage renal disease presented with biopsy-proven left renal cell carcinoma (RCC) and extensive lymphadenopathy on ultrasound/magnetic resonance image. He and his family were counselled on his poor prognosis based on imaging findings, which showed multiple enlarged lymph nodes, appearing metastatic. He underwent laparoscopic radical nephrectomy along with lymph node dissection.

Carcinoid tumor of the kidney: An unusual renal tumor.

Carcinoid tumors are low-grade malignant tumors that arise from neuroendocrine cells. Primary renal carcinoid is extremely rare. We present a case of 57-year-old male with primary renal carcinoid tumor.