1.Follicular dendritic cell sarcoma of inguinal lymph node--a case report.
Jayalakshmi Pailoor ; Krishnan R Iyengar ; K S Chan ; Sivasuntharam Sumithra
The Malaysian journal of pathology 2008;30(2):115-9
Follicular dendritic cell sarcomas (FDCS) are rare neoplasms that involve lymph nodes or extranodal sites. They show varied histological features and thus can be mistaken for carcinoma or sarcoma. Correct identification is important for further management. A 43-year-old Indian female presented with a three-month history of progressive swelling at the right inguinal region. It was excised completely and was reported as lymph node with metastatic poorly differentiated carcinoma based on Haematoxylin and eosin (H&E) stain findings. Computerized tomography (CT) scans of thorax, abdomen and pelvis were normal and did not reveal a primary site. Following this, the case was referred to one of the authors. The slides were reviewed and a variety of immunocytochemical markers were done. The tumour cells were negative for epithelial, melanocytic, neural, leucocyte and soft tissue tumour markers. They were immunopositive for CD21, CD35 and negative for CD68. Based on the immunocytochemical findings, a final diagnosis of FDCS was made. This case highlights the histological and immunophenotypical profile of a rare tumour which requires a high index of suspicion for diagnosis.
lymph nodes
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Follicular
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Malignant neoplasm musculoskeletal
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Dendritic Cells
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Diagnostic
5.Mismatched bone marrow transplantation for severe aplastic anaemia after liver transplantation for associated acute liver failure.
Vidyadhar P MALI ; Poh Lin TAN ; Marion AW ; Lincoln D S K LOH ; Seng Hock QUAK ; Krishnakumar MADHAVAN ; Prabhakaran KRISHNAN
Annals of the Academy of Medicine, Singapore 2011;40(9):420-421
6.Isolation and molecular characterization of Brucella melitensis from seropositive goats in Peninsula Malaysia
Bamaiyi, P.H. ; Hassan, L. ; Khairani-Bejo, S. ; Zainal Abidin, M. ; Ramlan, M. ; Krishnan, N. ; Adzhar, A. ; Abdullah, N. ; Hamidah, N.H.M. ; Norsuhanna, M.M. ; Hashim, S.N.
Tropical Biomedicine 2012;29(4):513-518
A study was carried out to isolate Brucella melitensis using established
bacteriological and PCR techniques in Brucella seropositive goats in farms in Selangor, Negeri
Sembilan, Melaka and Pulau Pinang. Brucella melitensis was isolated from 7 of 134 reactors
with the highest isolation from the vaginal swabs (57.14%) followed by the spleen (28.57%),
uterine fluid (14.29%). No Brucella was isolated from the lymph nodes. PCR confirmed all the
seven isolates as B. melitensis and isolates were phylogenetically related to other isolates
from India, Iran, and Israel but most closely related to isolates from Singapore.
7.Morphometric evaluation of great vein of Galen and its clinical implications
Grace Suganya. S ; Ariharan. K ; Raveendranath VEERAMANI ; Dinesh Kumar. V ; Nagarajan KRISHNAN
Anatomy & Cell Biology 2023;56(1):32-38
The Galenic venous system plays a vital role in the drainage of blood from deeper parts of the brain. This venous system is contributed by many major veins. These veins are located closer to the pineal gland making the surgical approach in this region difficult. Any accidental injury or occlusion of the vein of Galen could lead to devasting results. Thus, studying the dimensions of the vein of Galen is more important. Hence, we aimed to evaluate the morphometry and trajectory to the vein of Galen. About 100 computed tomographic venography records were evaluated and the length, diameter of vein of Galen, angle between straight sinus and vein of Galen and distance from internal occipital protuberance and roof of fourth ventricle to vein of Galen were studied. The mean length and diameter of vein of Galen were 9.8±2.7 and 4.08±1.04 respectively. The mean angle between straight sinus and vein of Galen was 64.2°. The mean distance between external occipital protuberance and roof of fourth ventricle to vein of Galen were 52±6.9 and 33.3±4.5 respectively. No significant morphometric differences were observed between the age groups as well as between the sexs. The results obtained from this study may be helpful for the neurosurgeons in better understanding of the anatomy of the Galenic venous system and to adopt a safe surgical approach to improve the efficacy of the surgeries of the pineal gland and also in the region of vein of Galen.
8.Role of Biochemical Nutritional Parameters as Predictors of Postoperative Morbidity in Major Spine Surgeries
Deepak SUGUMAR ; Justin AROCKIARAJ ; Rohit AMRITANAND ; Kenny S. DAVID ; Venkatesh KRISHNAN
Asian Spine Journal 2021;15(4):504-511
Methods:
The values of serum albumin, prealbumin, total lymphocyte counts, and transferrin were documented preoperatively and postoperatively on day 5 for all patients undergoing major spine surgery (surgery involving instrumentation of at least three motion segments). In addition, patients’ surgical wound healing status, duration of hospital stay, and duration of ICU stay in the postoperative period were documented. Finally, the statistical correlation between the nutritional markers and these complications was determined.
Results:
Low postoperative prealbumin levels was significantly associated with increased complication rates. ICU stay demonstrated a statistically significant association with low postoperative albumin, prealbumin, and transferrin levels. Similarly, we observed that low postoperative albumin and prealbumin levels could significantly predict the need for prolonged hospital stay in patients undergoing major spine surgery.
Conclusions
The magnitude of the decrease in nutritional status due to surgery with respect to albumin and prealbumin levels is a significant (p<0.05) predictor of wound-related complications, rather than a single nutritional parameter evaluated at a point of time.
9.Does the Surgical Reduction of High Grade Spondylolisthesis Restore Spino-Pelvic Alignment? An Analysis of 35 Patients
Rohit AMRITANAND ; Justin AROCKIARAJ ; Kenny S. DAVID ; Venkatesh KRISHNAN
Asian Spine Journal 2021;15(5):596-603
Methods:
This is a retrospective case series of 35 patients with Meyerding grades III, IV, or V spondylolisthesis who underwent surgical treatment in our institution. Before and after surgery, we took standing lateral radiographs from L1 vertebra to pelvis, including the femoral heads, and measured the slip grade, pelvic incidence, sacral slope, pelvic tilt, lumbosacral angle, and lumbar lordosis. Patients were subdivided into “balanced” and “unbalanced” pelvis groups. To determine the effect and correlation of reduction on these spinopelvic parameters, we statistically compared the pre- and postoperative measurements.
Results:
The average follow-up was 9 months (range, 3–169 months). Slip grade improved from an average 74.0%±13.2% to 30.0%±14.0% (p<0.001), and lumbosacral angle reduced from an average 32.0°±11.6° to 6.0°±0.6° (p<0.001). Although the pelvic tilt was reduced, this was not significant. There was a modest negative correlation between the reduction in slip grade and the increase in sacral slope (r=−0.3, p=0.06). At follow-up, five patients improved, from an unbalanced pelvis to a balanced pelvis. Fusion occurred in 33 patients (95%).
Conclusions
Surgical reduction of HGS restores the lumbosacral alignment. However, a similar trend is not noted with the pelvic parameters.
10.A RARE PRESENTATION OF MELIODOTIC SEPTIC ARTHRITIS OF ANKLE
Jeyasingam K ; Krishnan T ; Gunasekaran S
Malaysian Orthopaedic Journal 2019;13(Supplement A):90-