Jennifer Ko

Project Director
Ob/Gyn, Reproductive Sciences
+1 415 353-5019 ext. 964
Publications: 

Cutaneous crystal storing histiocytosis: A case series with review of literature.

Journal of cutaneous pathology

Homsi HA, Knapp C, Agrawal S, Bhavsar S, Ko JS, Billings SD, Ronen S

The Impact of Next-generation Sequencing on Interobserver Agreement and Diagnostic Accuracy of Desmoplastic Melanocytic Neoplasms.

The American journal of surgical pathology

Chen A, Sharma N, Patel P, Olivares S, Bahrami A, Barnhill RL, Blokx WAM, Bosenberg M, Busam KJ, de La Fouchardière A, Duncan LM, Elder DE, Ko JS, Landman G, Lazar AJ, Lezcano C, Lowe L, Maher N, Massi D, Messina J, Mihic-Probst D, Parker DC, Redpath M, Scolyer RA, Shea CR, Spatz A, Tron V, Xu X, Yeh I, Jung Yun S, Zembowicz A, Gerami P

Effectiveness and safety of telehealth medication abortion in the USA.

Nature medicine

Upadhyay UD, Koenig LR, Meckstroth K, Ko J, Valladares ES, Biggs MA

MED15::ATF1-rearranged tumor: a novel cutaneous tumor with melanocytic differentiation.

Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc

Ko JS, Lemahieu J, Billings SD, Tirode F, Payton D, Boone B, Pissaloux D, de la Fouchardiere A

Patient Acceptability of Telehealth Medication Abortion Care in the United States, 2021‒2022: A Cohort Study.

American journal of public health

Koenig LR, Ko J, Valladares ES, Coeytaux FM, Wells E, Lyles CR, Upadhyay UD

The Role of Telehealth in Promoting Equitable Abortion Access in the United States: Spatial Analysis.

JMIR public health and surveillance

Koenig LR, Becker A, Ko J, Upadhyay UD

Subcutaneous Leiomyosarcoma: An Aggressive Malignancy Portending a Significant Risk of Metastasis and Death.

The American journal of surgical pathology

Bresler SC, Gosnell HL, Ko JS, Angeles CV, Ronen S, Billings SD, Patel RM

Keratin-positive giant cell-rich tumors of soft tissue with HMGA2::NCOR2 fusions.

Journal of cutaneous pathology

Weigelt MA, Azzato EM, Habermehl GK, Billings SD, Ko JS, Fritchie KJ

Nipple Adenoma: Clinicopathologic Characterization of 50 Cases.

The American journal of surgical pathology

Weigelt MA, Sciallis AP, McIntire PJ, Ko JS, Billings SD, Ronen S

Primary cutaneous extraskeletal osteosarcoma: a series of 16 cases.

Pathology

Habeeb O, Weigelt MA, Goldblum JR, Ko JS, Habermehl G, Rubin BP, Billings SD

Combined utility of p16 and BRAF V600E in the evaluation of spitzoid tumors: Superiority to PRAME and correlation with FISH.

Journal of cutaneous pathology

McAfee JL, Scarborough R, Jia XS, Azzato EM, Astbury C, Ronen S, Andea AA, Billings SD, Ko JS

Superficial low-grade fibromyxoid sarcoma.

Journal of cutaneous pathology

Ronen S, Ko JS, Rubin BP, Kilpatrick SE, Wang WL, Lazar AJ, Goldblum JR, Billings SD

The capillary lobule variant of radiation-associated angiosarcoma in the setting of breast cancer: A diagnostic pitfall.

Journal of cutaneous pathology

Agrawal S, Fritchie KJ, Fernandez AP, Ko JS, Bergfeld W, Rubin BP, Billings SD

Cutaneous Melanocytic Tumor With CRTC1::TRIM11 Translocation : An Emerging Entity Analyzed in a Series of 41 Cases.

The American journal of surgical pathology

Hanna J, Ko JS, Billings SD, Boivin F, Beaudoux O, Pissaloux D, Tirode F, Laga A, Fletcher CDM, de la Fouchardiere A

Rhabdomyosarcoma Arising in an Old Rhytidectomy Scar.

The Annals of otology, rhinology, and laryngology

Ruthberg JS, Meleca JB, Ko JS, Billings SD, Ku JA

A clinicopathologic analysis of 54 cases of cutaneous myxoma.

Human pathology

Sharma A, Khaitan N, Ko JS, Bergfeld WF, Piliang M, Rubin BP, Goldblum JR, Billings SD

Preferentially expressed antigen in melanoma and p16 expression in acral melanocytic neoplasms.

Journal of cutaneous pathology

McBride JD, McAfee JL, Piliang M, Bergfeld WF, Fernandez AP, Ronen S, Billings SD, Ko JS

Cutaneous symplastic hemangioma: A series of four cases.

Journal of cutaneous pathology

Frew D, Scarborough R, Ko JS, Billings SD

The clinicopathologic spectrum and genomic landscape of de-/trans-differentiated melanoma.

Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc

Ferreira I, Droop A, Edwards O, Wong K, Harle V, Habeeb O, Gharpuray-Pandit D, Houghton J, Wiedemeyer K, Mentzel T, Billings SD, Ko JS, Füzesi L, Mulholland K, Prusac IK, Liegl-Atzwanger B, de Saint Aubain N, Caldwell H, Riva L, van der Weyden L, Arends MJ, Brenn T, Adams DJ

Superficial ALK-rearranged myxoid spindle cell neoplasm: a cutaneous soft tissue tumor with distinctive morphology and immunophenotypic profile.

Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc

Dermawan JK, Azzato EM, Goldblum JR, Rubin BP, Billings SD, Ko JS

Update on Cutaneous Soft Tissue Tumors.

Surgical pathology clinics

Dermawan JK, Ko JS, Billings SD

Perineuriomatous nevi: A series of eight cases highlighting unifying pathologic features to avoid misdiagnosis.

Journal of cutaneous pathology

McAfee JL, Dermawan JK, Billings SD, Ko JS

Disease Progression in Cutaneous Squamous Cell Carcinoma Patients With Satellitosis and In-transit Metastasis.

Anticancer research

Smile TD, Xiong DX, Varra V, Winter IW, Beal BT, Gastman BR, Geiger JL, Adelstein DJ, Bergfeld WF, Piliang MP, Billings SD, Ko JS, Knackstedt TJ, Lucas JL, Poblete-Lopez CM, Meine JG, Vij A, Vidimos AT, Koyfman SA

EWSR1-SMAD3 rearranged fibroblastic tumor: Case series and review.

Journal of cutaneous pathology

Habeeb O, Korty KE, Azzato EM, Astbury C, Farkas DH, Ko JS, Billings SD

Targeted next generation sequencing (NGS) to classify melanocytic neoplasms.

Journal of cutaneous pathology

Zarabi SK, Azzato EM, Tu ZJ, Ni Y, Billings SD, Arbesman J, Funchain P, Gastman B, Farkas DH, Ko JS

Superficial sarcomas with CIC rearrangement are aggressive neoplasms: A series of eight cases.

Journal of cutaneous pathology

Ko JS, Marusic Z, Azzato EM, Farkas DH, Van Arnam J, Seiwerth S, Fritchie K, Patel RM, Rubin BP, Billings SD

Diagnoses of hospitalized patients with skin abnormalities prompting biopsy by consulting dermatologists: A 3-year review from a tertiary care center.

Journal of cutaneous pathology

Ellis A, Billings SD, Khanna U, Warren CB, Piliang M, Vij A, Ko JS, Bergfeld WF, Fernandez AP

Differences in exposure to toxic and/or carcinogenic volatile organic compounds between Black and White cigarette smokers.

Journal of exposure science & environmental epidemiology

St Helen G, Benowitz NL, Ko J, Jacob P, Gregorich SE, Pérez-Stable EJ, Murphy SE, Hecht SS, Hatsukami DK, Donny EC

CRTC1-TRIM11 fusion defined melanocytic tumors: A series of four cases.

Journal of cutaneous pathology

Ko JS, Wang L, Billings SD, Pissaloux D, Tirode F, Berry R, De La Fouchardiere A

Prognostic Significance of "Nonsolid" Microscopic Metastasis in Merkel Cell Carcinoma Sentinel Lymph Nodes.

The American journal of surgical pathology

Erstine EM, Tetzlaff MT, Jia X, Aung PP, Prieto VG, Funchain P, Gastman BR, Billings SD, Ko JS

ALPK1 hotspot mutation as a driver of human spiradenoma and spiradenocarcinoma.

Nature communications

Rashid M, van der Horst M, Mentzel T, Butera F, Ferreira I, Pance A, Rütten A, Luzar B, Marusic Z, de Saint Aubain N, Ko JS, Billings SD, Chen S, Abi Daoud M, Hewinson J, Louzada S, Harms PW, Cerretelli G, Robles-Espinoza CD, Patel RM, van der Weyden L, Bakal C, Hornick JL, Arends MJ, Brenn T, Adams DJ

Decreased T-Cell Programmed Death Receptor-1 Expression in Pregnancy-Associated Melanoma.

The American Journal of dermatopathology

Ko JS, Gastman BR, Conic R, Tellez Diaz Trujillo A, Diaz-Montero CM, Billings SD, Tarhini A, Funchain P, Atanaskova Mesinkovska N

Correlation of melanoma gene expression score with clinical outcomes on a series of melanocytic lesions.

Human pathology

Ko JS, Clarke LE, Minca EC, Brown K, Flake DD, Billings SD

Histopathologic correlation of high-risk MelaFindTM lesions: a 3-year experience from a high-risk pigmented lesion clinic.

International journal of dermatology

Shrivastava V, Bailin P, Elliott J, Bacnik E, Gastman B, Bergfeld W, Billings SD, Piliang M, Fernandez A, Kovalyshyn I, Ko JS

Superficial Solitary Fibrous Tumor: A Series of 26 Cases.

The American journal of surgical pathology

Feasel P, Al-Ibraheemi A, Fritchie K, Zreik RT, Wang WL, Demicco E, Saeb-Lima M, Goldblum JR, Rubin BP, McKenney JK, Ko JS, Billings SD

Efficacy of Triaging Direct Immunofluorescence in Intraepidermal Bullous Dermatoses.

The American Journal of dermatopathology

Tjarks BJ, Billings SD, Ko JS

Myxofibrosarcoma of unusual sites.

Journal of cutaneous pathology

Tjarks BJ, Ko JS, Billings SD

Direct immunofluorescence testing in vasculitis-A single institution experience with Henoch-Schönlein purpura.

Journal of cutaneous pathology

Feasel P, Billings SD, Bergfeld WF, Piliang MP, Fernandez AP, Ko JS

Broadening the Anatomic Landscape of Sclerosing Perineurioma: A Series of 5 Cases in Nonacral Sites.

The American Journal of dermatopathology

Erstine EM, Ko JS, Rubin BP, McKenney JK, Goldblum JR, Billings SD

Spindle Cell Lipomas in Women: A Report of 53 Cases.

The American journal of surgical pathology

Ko JS, Daniels B, Emanuel PO, Elson P, Khachaturov V, McKenney JK, Goldblum JR, Billings SD

Tuberculosis contact investigation in an intermediate burden setting: implications from a large tuberculosis contact cohort in Taiwan.

The European respiratory journal

Lee MR, Ho CM, Lee CH, Lee MC, Chang LY, Yu KL, Ko JC, Wang JY, Wang JT, Lee LN

Merkel cell carcinoma with fingolimod treatment for multiple sclerosis: A case report.

Multiple sclerosis and related disorders

Mahajan KR, Ko JS, Tetzlaff MT, Hudgens CW, Billings SD, Cohen JA

Diagnostic Distinction of Malignant Melanoma and Benign Nevi by a Gene Expression Signature and Correlation to Clinical Outcomes.

Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology

Ko JS, Matharoo-Ball B, Billings SD, Thomson BJ, Tang JY, Sarin KY, Cai E, Kim J, Rock C, Kimbrell HZ, Flake DD, Warf MB, Nelson J, Davis T, Miller C, Rushton K, Hartman AR, Wenstrup RJ, Clarke LE

Radiation-associated angiosarcoma in the setting of breast cancer mimicking radiation dermatitis: A diagnostic pitfall.

Journal of cutaneous pathology

Daniels BH, Ko JS, Rowe JJ, Downs-Kelly E, Billings SD

Significance of epidermal mitoses in challenging melanocytic proliferations.

Journal of cutaneous pathology

Minca EC, Billings SD, Elson P, Tetzlaff MT, Andea AA, Ko JS

Pagetoid Spitz nevi: clinicopathologic characterization of a series of 12 cases.

Journal of cutaneous pathology

Fernandez AP, Billings SD, Bergfeld WF, Ko JS, Piliang MP

Cutaneous manifestations in inflammatory bowel disease: a single institutional study of non-neoplastic biopsies over 13 years.

Journal of cutaneous pathology

Ko JS, Uberti G, Napekoski K, Patil DT, Billings SD

Comparison between melanoma gene expression score and fluorescence in situ hybridization for the classification of melanocytic lesions.

Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc

Minca EC, Al-Rohil RN, Wang M, Harms PW, Ko JS, Collie AM, Kovalyshyn I, Prieto VG, Tetzlaff MT, Billings SD, Andea AA

Density, Distribution, and Composition of Immune Infiltrates Correlate with Survival in Merkel Cell Carcinoma.

Clinical cancer research : an official journal of the American Association for Cancer Research

Feldmeyer L, Hudgens CW, Ray-Lyons G, Nagarajan P, Aung PP, Curry JL, Torres-Cabala CA, Mino B, Rodriguez-Canales J, Reuben A, Chen PL, Ko JS, Billings SD, Bassett RL, Wistuba II, Cooper ZA, Prieto VG, Wargo JA, Tetzlaff MT

Histological pattern of Merkel cell carcinoma sentinel lymph node metastasis improves stratification of Stage III patients.

Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc

Ko JS, Prieto VG, Elson PJ, Vilain RE, Pulitzer MP, Scolyer RA, Reynolds JP, Piliang MP, Ernstoff MS, Gastman BR, Billings SD

A novel IL-17 signaling pathway controlling keratinocyte proliferation and tumorigenesis via the TRAF4-ERK5 axis.

The Journal of experimental medicine

Wu L, Chen X, Zhao J, Martin B, Zepp JA, Ko JS, Gu C, Cai G, Ouyang W, Sen G, Stark GR, Su B, Vines CM, Tournier C, Hamilton TA, Vidimos A, Gastman B, Liu C, Li X

Diagnostically Challenging Epithelioid Vascular Tumors.

Surgical pathology clinics

Ko JS, Billings SD

Safety of interventional bronchoscopy through complication review at a cancer center.

The clinical respiratory journal

Hsu LH, Liu CC, Ko JS, Chen CC, Feng AC

Sunitinib mediates reversal of myeloid-derived suppressor cell accumulation in renal cell carcinoma patients.

Clinical cancer research : an official journal of the American Association for Cancer Research

Ko JS, Zea AH, Rini BI, Ireland JL, Elson P, Cohen P, Golshayan A, Rayman PA, Wood L, Garcia J, Dreicer R, Bukowski R, Finke JH

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