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Eight prehilar branches of the right renal artery
Satheesha B Nayak,Surekha D Shetty,Swamy Ravindra,Srinivasa Rao Sirasanagandla,Ashwini P Aithal,Jyothsna Patil,Naveen Kumar 대한해부학회 2014 Anatomy & Cell Biology Vol.47 No.3
Imaging technology with its advancement in the field of urology is the boon for the patients who require minimally invasive approaches for various kidney disorders. These approaches require a precise knowledge of the normal and variant anatomy of vessels at the hilum of the kidney. During routine dissections, a variation in the branching pattern of the right renal artery was noted in an adult male cadaver. The right renal artery divided into upper and lower divisions 6cm away from the hilum of the kidney. The upper division gave 4 branches, and the lower division gave two branches. These two branches further bifurcated and gave 2 branches each. Thus, there were 8 prehilar branches of renal artery. The multiple prehilar branches led to a congested atmosphere at the hilum of the kidney. This arterial congestion might result in hindering the blood flow at the renal hilum. Apart from this, it might cause difficulties in diagnostic and therapeutic invasive procedures. Knowledge of this variation is of importance to radiologists and urologists in particular.
Double gallbladder completely enclosed in a cystogastric fold of peritoneum
Satheesha B Nayak,Surekha Devadasa Shetty,Sudarshan Surendran,Raghu Jetti,Naveen Kumar,Srinivasa Rao Sirasanagandla 대한해부학회 2014 Anatomy & Cell Biology Vol.47 No.2
Double gallbladder is one of the rare congenital anomalies of the gallbladder. Failure to detect an accessory gallbladder hampers diagnosis and treatment of cholecystitis, which might result in recurrent attacks of cholecystitis. In addition, presence of peritoneal folds extending from the stomach and duodenum to the gallbladder is very rare. Here we report the presence of a double gallbladder enclosed in a cystogastric fold of the peritoneum. During cadaveric dissection, we observed a cystogastric peritoneal fold that extended from the lesser curvature of the stomach and the first part of the duodenum to the gallbladder. The left end of the peritoneal fold merged with the lesser omentum. It enclosed two gallbladders: the main gallbladder and a small accessory gallbladder. The accessory gallbladder was a small pouch with its fundus attached to the main gallbladder by fibrous tissue, and its duct opened into the main cystic duct.
Partial duplication of tentorium cerebelli and complete duplication of falx cerebelli
Satheesha B,Nayak,Surekha D,Shetty 대한해부학회 2019 Anatomy & Cell Biology Vol.52 No.3
Variations of the dural folds and the dural venous sinuses are infrequently reported in the existing medical literature. Such variations in the posterior cranial fossa may pose difficulties in various analytical and surgical procedures of this region. We present a rare concurrent variation of the falx cerebelli and tentorium cerebelli that was detected during routine dissection of an adult male cadaver. While removing the brain, a partial duplication of tentorium cerebelli was observed below the left half of the tentorium cerebelli and above the left cerebellar hemisphere. This fold did not have any dural venous sinus in it. Further, a complete duplication of falx cerebelli with a single occipital venous sinus within its attached border was also observed. We present the review of literature and discuss the comparative anatomy of this case.
Partial duplication of tentorium cerebelli and complete duplication of falx cerebelli
Satheesha B. Nayak,Surekha D. Shetty 대한해부학회 2019 Anatomy & Cell Biology Vol.52 No.3
Variations of the dural folds and the dural venous sinuses are infrequently reported in the existing medical literature. Such variations in the posterior cranial fossa may pose difficulties in various analytical and surgical procedures of this region. We present a rare concurrent variation of the falx cerebelli and tentorium cerebelli that was detected during routine dissection of an adult male cadaver. While removing the brain, a partial duplication of tentorium cerebelli was observed below the left half of the tentorium cerebelli and above the left cerebellar hemisphere. This fold did not have any dural venous sinus in it. Further, a complete duplication of falx cerebelli with a single occipital venous sinus within its attached border was also observed. We present the review of literature and discuss the comparative anatomy of this case.
A rare additional lobe of cerebellum, projecting from its superior surface
Satheesha Badagabettu Nayak,Suhani Sumalatha,Surekha Devadasa Shetty 대한해부학회 2022 Anatomy & Cell Biology Vol.55 No.3
Human cerebellum plays a vital role in motor coordination, regulation of muscle tone and maintaining the equilibrium of the body. It seldom shows anatomical/morphological variations. Herein, we report the presence of a small additional lobe projecting out on the superior surface of the right cerebellar hemisphere in the para-vermal area in an adult male cadaver. There was a notch on the tentorial surface of the occipital lobe of the right cerebral hemisphere, corresponding to the additional lobe of cerebellum. The additional lobe was histologically normal, with no evidence of any tumour cells. Knowledge of this variation is of importance to radiologists, neuroanatomists and neurosurgeons.
A peculiar liver with surgically and radiologically important variations: a case report
Satheesha B. Nayak,Snigdha Mishra,Bincy M. George,Surekha D. Shetty,Naveen Kumar,Anitha Guru,Srinivasa S. Rao,Ashwini Aithal 대한해부학회 2013 Anatomy & Cell Biology Vol.46 No.1
A peculiar liver was found in an adult male cadaver during a dissection class for undergraduate medical students. Th e quadrate lobe and fi ssure for the ligamentum teres were totally absent. Th us, the cystic notch on the inferior border was very broad and deep, and the fundus and body of the gall bladder popped out through this notch. Th e cystic duct terminated into the right hepatic duct at the porta hepatis instead of terminating into the common hepatic duct. Awareness of variations of the lobes and fi ssures may minimize a misdiagnosis of liver problems. Th e aim of the current study was to alert radiologists and surgeons about possible variations in the external appearance and anomalies of the lobes and fi ssures of the liver.
Surgical and radiological importance of a rare cysto-duodeno-colic peritoneal fold
Satheesha B,Nayak,Bincy M,George,Snigdha Mishra,Surekha D,Shetty,Srinivasa Rao Sirasanagandla,Abhinitha Padavinangadi 대한해부학회 2017 Anatomy & Cell Biology Vol.50 No.2
It is quite common to see abnormal peritoneal folds in the abdominal cavity. Some of them might compress or strangulate the viscera and others might determine the direction of the flow of peritoneal fluid, pus or blood. Many unusual clinically important peritoneal folds such as Ladd’s band, cysto-gastro-colic fold, omento-cystic fold, and cysto-colic fold have been reported earlier. Knowledge of these folds is important for radiologists, gastroenterologists, and surgeons. We report an unusual cysto-duodeno-colic fold observed during our dissection classes. The fold was seen to compress the duodenum and colon. The fold extended from the descending part of the duodenum and the transverse colon to the gallbladder. It enclosed the entire gallbladder. A case similar to this has not been reported yet. It is important for the gastroenterologists and laparoscopic surgeons to be aware of this fold to avoid misdiagnosis and iatrogenic injuries.
Sessile ileum, subhepatic cecum, and uncinate appendix that might lead to a diagnostic dilemma
Satheesha B. Nayak,Bincy Muthukattu George,Snigdha Mishra,Sudarshan Surendran,Prakashchandra Shetty,Surekha Devadasa Shetty 대한해부학회 2013 Anatomy & Cell Biology Vol.46 No.4
The subhepatic position of the cecum and appendix is a result of embryological reasons. Subhepatic appendicitis can cause diagnostic dilemmas. During the dissection of an adult male cadaver aged approximately 70 years, the subhepatic position of the cecum and appendix was noted. The appendix made a "U"-shaped bend and its tip was located in the paracolic position. The cecum had appendices epiploicae, and the terminal part of the ileum was retroperitoneal and had ascended vertically to the cecum from the right iliac fossa. Functionally, the sessile part of the ileum might restrict its peristaltic movements. The abnormal position of the terminal ileum might be mistaken for an ascending colon during laparoscopic surgery. The subhepatic position of the cecum and appendix might cause confusion in the diagnosis of acute appendicitis because the tenderness in such cases is not located at the McBurney's point.
Solitary osteochondroma in the body of the pubic bone:
Satheesha B. Nayak,Naveen Kumar,Srinivasa Rao Sirasanagandla,Srilatha Parampalli Srinivas,Narendra Pamidi,Surekha D. Shetty 대한해부학회 2018 Anatomy & Cell Biology Vol.51 No.2
Osteochondromas develop as cartilaginous nodules in the periosteum of bones. They are the commonest benign tumors of the skeleton, generally observed in the long bones. Rarely, they are also found in the axial skeleton, flat bones of skull and facial bones. During a regular dissection, we came across a solitary osteochondroma in posterior surface of the body of the right pubic bone. Histopathology of the bony projection confirmed the typical features of the osteochondroma. The symptomatic osteochondromas are usually evaluated during radiographic examination. Though, the observed osteochondroma is relatively smaller its unusual location is remarkable and knowledge of occurrence of such nodules is clinically important during the diagnosis and planning of treatment.