Network


Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot


Dive into the research topics where Ramachandra Kolachalam is active.

Publication


Featured researches published by Ramachandra Kolachalam.


Journal of Surgical Oncology | 1997

Advantage of surgery and adjuvant chemotherapy in the treatment of primary gastrointestinal lymphoma

Kevin M. Lin; David G. Penney; Ahmed Mahmoud; Won Chae; Ramachandra Kolachalam; Shun C. Young

Surgery has been the mainstay of treatment for gastrointestinal (GI) lymphoma. The role of adjuvant chemotherapy to surgery has not been clearly elucidated.


International Surgery | 2011

Review of Third and Fourth Re-Excision for Narrow or Positive Margins of Invasive and Intraductal Carcinoma

Gokulakkrishna Subhas; Asha Shah; Aditya Gupta; Jonathan Cook; Linda Dubay; Sumet Silapaswan; Ramachandra Kolachalam; William Kestenberg; Lorenzo Ferguson; Michael J. Jacobs; Yousif Goriel; Vijay K. Mittal

The trend in breast surgery has shifted toward breast conservation. We reviewed our third and fourth breast re-excision cases, with an analysis of various factors used in making this decision. A retrospective analysis identified 585 patients who underwent re-excision surgery for positive or close margins of invasive carcinoma or ductal carcinoma in situ (DCIS). Of these patients 75 (13%) and 17 (3%) underwent third and fourth re-excisions, respectively. The indication for a third re-excision was the presence of positive and/or close (< or = 1 mm) margins for invasive carcinoma or DCIS in 72/75 patients. A third re-excision was done 31 days (range 8-123 days) after the second re-excision. Re-excision of margins was done in 45 (60%) patients, whereas 30 (40%) patients underwent mastectomy. Residual tumor mandated a fourth re-excision in 17 patients, which was done 45 days (range 14-87 days) after the third surgery. Re-excision of margins was done in 6 patients, whereas 11 patients underwent mastectomy. Involved or close margins with DCIS were the most common indication for re-excision, accounting for 61/75 (82%) of third and 16/17 (94%) of fourth re-excisions. Histopathology revealed that 28/75 (37%) of third and 7/17 (41%) of fourth re-excision patients had no residual tumor. In conclusion, the majority of re-excisions was done for margins < 1 mm. Lower rates of re-excision were noted in well-differentiated invasive carcinomas. A close or involved DCIS margin was more likely to lead to a third and even a fourth re-excision. The absence of residual tumors in 40% of patients undergoing third and fourth re-excisions calls for a review of margin guidelines for breast re-excision.


Jsls-journal of The Society of Laparoendoscopic Surgeons | 2013

Delayed Presentation of a Bowel Bovie Injury After Laparoscopic Ventral Hernia Repair

Jasneet Singh Bhullar; Jennifer Gayagoy; Sushant Chaudhary; Ramachandra Kolachalam

Slow transmural tissue necrosis may occur after an electrosurgical Bovie injury and lead to eventual bowel perforation.


American Journal of Surgery | 2012

Receptor changes in metachronous breast tumors—our experience of 10 years

Jasneet Singh Bhullar; Amruta Unawane; Gokulakkrishna Subhas; Husein Poonawala; Linda Dubay; Lorenzo Ferguson; Yousif Goriel; Michael J. Jacobs; Ramachandra Kolachalam; Sumet Silapaswan; Vijay K. Mittal

INTRODUCTION Patients with primary breast cancer (PBC) are at 2 to 6 times higher risk for developing synchronous and metachronous breast cancer (MBC). The pathology and behavior of MBC still remains unclear. METHODS We reviewed the charts of 108 women with MBC at our hospital over the past 10 years. Profile patterns of the estrogen receptor (ER), the progesterone receptor (PR), and Her2/neu receptors were explored. RESULTS Of 33 patients with ER(+)/PR(+) in the primary tumor, 23 (70%) retained the status in MBC. Forty-five (92%) of 49 patients with ER(-)/PR(-) in the primary tumor remained the same in MBC. Most Her2(-) tumors (22/31, 71%) remained negative, but 50% (8/16) of Her2(+) tumors became negative. CONCLUSIONS Most MBC retained the ER/PR expression patterns irrespective of the treatment for the primary tumor, thus suggesting a common origin. Because MBCs tend to be triple negative and thus more aggressive, early detection and close surveillance techniques must be devised.


American Surgeon | 2010

Gastrointestinal carcinoids: an increasing incidence of rectal distribution.

Avenel P; McKendrick A; Sumet Silapaswan; Ramachandra Kolachalam; William Kestenberg; Lorenzo Ferguson; Michael J. Jacobs; Yousif Goriel; Mittal


American Surgeon | 2011

Prolonged (longer than 3 hours) laparoscopic cholecystectomy: reasons and results.

Gokulakkrishna Subhas; Aditya Gupta; Jasneet Singh Bhullar; Dubay L; Lorenzo Ferguson; Yousif Goriel; Michael J. Jacobs; Ramachandra Kolachalam; Sumet Silapaswan; Vijay K. Mittal


American Surgeon | 2009

Prevalence and management of gastrointestinal stromal tumors

David Machado-Aranda; Matthew Malamet; Yeon Jeen Chang; Michael J. Jacobs; Lorenzo Ferguson; Sumet Silapaswan; Yousif Goriel; Ramachandra Kolachalam; Vijay K. Mittal


Journal of Gastrointestinal Surgery | 2013

Single-Incision Laparoscopic Cholecystectomy (SILC) Using Non-articulating Instruments and Conventional Trocars—Single Surgeon Experience

Sushant Chaudhary; Jasneet Singh Bhullar; Gokulakkrishna Subhas; Vijay K. Mittal; Ramachandra Kolachalam


American Surgeon | 2010

Review of Re-Excision for Narrow or Positive Margins of Invasive and Intraductal Carcinoma

Aditya Gupta; Gokulakkrishna Subhas; Dubay L; Sumet Silapaswan; Ramachandra Kolachalam; William Kestenberg; Lorenzo Ferguson; Michael J. Jacobs; Gorieil Y; Vijay K. Mittal


American Journal of Surgery | 2016

Thirty-day readmissions after inpatient laparoscopic cholecystectomy: Factors and outcomes

Gurteshwar Rana; Jasneet Singh Bhullar; Gokulakkrishna Subhas; Ramachandra Kolachalam; Vijay K. Mittal

Collaboration


Dive into the Ramachandra Kolachalam's collaboration.

Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Researchain Logo
Decentralizing Knowledge