Ultrasound Cases

Torsion of Epididymal Appendage

Five testicular appendages, which are remnants of the degenerating mesonephric (wolffian) and paramesonephric (müllerian) ducts, are formed during the development of the male genitourinary tract. The most common are the testicular and epididymal appendages. The testicular appendage is found at the...
Authors: Nancy Carson, MBA, RDMS, RVT University of Rochester

Hashimoto's thyroiditis

  Hashimoto’s thyroiditis or chronic lymphocytic thyroiditis is an autouimmune disease which leads to gradual destruction of the thyroid secondary to antibody mediated immune processes. It was first described by a Japanese scientist , Dr Hashimoto Hakaru in 1912. It commonly...
Authors: Shweta Bhatt, MD and Vikram S Dogra, MD University of Rochester , Rochester, NY

Thoracopagus Conjoined Twins

Conjoined twins are rare and estimated prevalence in the literature varies from 1 in 50 000 to 1 in 200 000 [1]. Majority of the conjoined twins (40% to 60%) are still born and about 35% of the live births do not survive up to 24 hours. Two theories are described in the formation of...
Authors: Eranga Perera, Shweta Bhatt,MD, Vikram S Dogra,MD. University of Rochester.

RENAL ARTERY STENOSIS

 Hypertension affects up to 58.4 million people in the United States [1] and is one of the most common diseases worldwide with well known morbidity and mortality. The vast majority of patients who have hypertension, approximately 90% to 98%, have essential hypertension without structural...
Authors: Daniel Mauricio Alvarez, Victor Lee, Shweta Bhatt and Vikram S Dogra,MD. University of Rochester & Tecnologico de Monterrey

Internal Carotid Artery Stenosis

Stroke is a leading cause of death worldwide and 20% to 30% of stroke results from emboli dislodged from atherosclerotic disease at the carotid bifurcation [1]. The goal of carotid imaging is to detect hemodynamically significant stenosis of the internal carotid artery (ICA) where carotid...
Authors: Eranga Perera, Shweta Bhatt,MD, Vikram S Dogra,MD. University of Rochester.

Adenomatoid Tumor of Epididymis

Adenomatoid tumors are benign neoplasms of mesothilial in origin and they account for 30% of paratesticular neoplasms.It is the most common benign tumor of the epididymis [1,2].They usually arise from the epididymal tail. About 14% can arise from Tunica Aibuginea.When the tumor arise from the deep...
Authors: Eranga Perera, Shweta Bhatt,MD, Vikram S Dogra,MD. University of Rochester.

Gallbladder Ascariasis

Ascariasis, the most common helminthic infection is caused by ascaris lumbricoides. Usually the adult worm lives in the small intestine. Rarely it migrates through the papilla of vater and may enter the common bile duct. Presence of Ascaris lumbricoides in gallbladder is rare entity as it is...
Authors: ANSHU MAHAJAN ACHARYA SHRI CHANDER COLLEGE OF MEDICAL SCIENCES & HOSPITAL;J&K

Spontaneous Ovarian Hyperstimulation Syndrome in a hypothyroid patient

The ovarian hyperstimulation syndrome most often occurs as a complication of ovarian-stimulation treatments for in vitro fertilization in infertility. The clinical picture may vary from abdominal distension and discomfort to potentially life-threatening, massive ovarian enlargement and capillary...
Authors: Paresh Desai,MD Goa Medical college

Merkel cell carcinoma

Merkel cells, first described in 1875 by Friedrich Merkel, are sensory neuroreceptor cells located in the epidermo-dernal junction of the skin, and are derived from neural crest tissue (1). Malignancy involving Merkel cells is rare, and was first described by Toker in 1972 (2), and has been termed...
Authors: Loberant N (1), Cohen HI (2) Western Galilee Hospital, Nahariya, Israel

Endometrioma

Endometriosis is the presence of functional endometrial tissue outside the uterine cavity and the myometrium. It is an important cause of infertility and pelvic pain in women older than 25 years. Endometriomas are relatively common and can mimic other adnexal masses, and ultrasonography is often...
Authors: Shweta Bhatt, MD and Vikram S Dogra, MD University of Rochester, NY

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