Dr. Pifu  Luo  Md image

Dr. Pifu Luo Md

1555 Long Pond Rd
Rochester NY 14626
585 684-4392
Medical School: Other - 1988
Accepts Medicare: No
Participates In eRX: No
Participates In PQRS: No
Participates In EHR: No
License #:
NPI: 1891783650
Taxonomy Codes:
207ZC0500X 207ZP0102X

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Procedure Pricing

HCPCS Code Description Average Price Average Price
Allowed By Medicare
HCPCS Code:88307 Description:Tissue exam by pathologist Average Price:$364.88 Average Price Allowed
By Medicare:
HCPCS Code:88309 Description:Tissue exam by pathologist Average Price:$394.57 Average Price Allowed
By Medicare:
HCPCS Code:88331 Description:Path consult intraop 1 bloc Average Price:$250.20 Average Price Allowed
By Medicare:
HCPCS Code:88112 Description:Cytopath cell enhance tech Average Price:$140.00 Average Price Allowed
By Medicare:
HCPCS Code:88342 Description:Immunohistochemistry Average Price:$123.43 Average Price Allowed
By Medicare:
HCPCS Code:88305 Description:Tissue exam by pathologist Average Price:$101.77 Average Price Allowed
By Medicare:
HCPCS Code:88304 Description:Tissue exam by pathologist Average Price:$75.19 Average Price Allowed
By Medicare:
HCPCS Code:88300 Description:Surgical path gross Average Price:$33.55 Average Price Allowed
By Medicare:
HCPCS Code:88311 Description:Decalcify tissue Average Price:$39.78 Average Price Allowed
By Medicare:
HCPCS Code:88104 Description:Cytopath fl nongyn smears Average Price:$52.04 Average Price Allowed
By Medicare:
HCPCS Code:88313 Description:Special stains group 2 Average Price:$18.00 Average Price Allowed
By Medicare:

HCPCS Code Definitions

Level I - Surgical pathology, gross examination only
Cytopathology, selective cellular enhancement technique with interpretation (eg, liquid based slide preparation method), except cervical or vaginal
Immunohistochemistry or immunocytochemistry, each separately identifiable antibody per block, cytologic preparation, or hematologic smear; first separately identifiable antibody per slide
Cytopathology, fluids, washings or brushings, except cervical or vaginal; smears with interpretation
Level IV - Surgical pathology, gross and microscopic examination Abortion - spontaneous/missed Artery, biopsy Bone marrow, biopsy Bone exostosis Brain/meninges, other than for tumor resection Breast, biopsy, not requiring microscopic evaluation of surgical margins Breast, reduction mammoplasty Bronchus, biopsy Cell block, any source Cervix, biopsy Colon, biopsy Duodenum, biopsy Endocervix, curettings/biopsy Endometrium, curettings/biopsy Esophagus, biopsy Extremity, amputation, traumatic Fallopian tube, biopsy Fallopian tube, ectopic pregnancy Femoral head, fracture Fingers/toes, amputation, non-traumatic Gingiva/oral mucosa, biopsy Heart valve Joint, resection Kidney, biopsy Larynx, biopsy Leiomyoma(s), uterine myomectomy - without uterus Lip, biopsy/wedge resection Lung, transbronchial biopsy Lymph node, biopsy Muscle, biopsy Nasal mucosa, biopsy Nasopharynx/oropharynx, biopsy Nerve, biopsy Odontogenic/dental cyst Omentum, biopsy Ovary with or without tube, non-neoplastic Ovary, biopsy/wedge resection Parathyroid gland Peritoneum, biopsy Pituitary tumor Placenta, other than third trimester Pleura/pericardium - biopsy/tissue Polyp, cervical/endometrial Polyp, colorectal Polyp, stomach/small intestine Prostate, needle biopsy Prostate, TUR Salivary gland, biopsy Sinus, paranasal biopsy Skin, other than cyst/tag/debridement/plastic repair Small intestine, biopsy Soft tissue, other than tumor/mass/lipoma/debridement Spleen Stomach, biopsy Synovium Testis, other than tumor/biopsy/castration Thyroglossal duct/brachial cleft cyst Tongue, biopsy Tonsil, biopsy Trachea, biopsy Ureter, biopsy Urethra, biopsy Urinary bladder, biopsy Uterus, with or without tubes and ovaries, for prolapse Vagina, biopsy Vulva/labia, biopsy
Pathology consultation during surgery; first tissue block, with frozen section(s), single specimen
Level III - Surgical pathology, gross and microscopic examination Abortion, induced Abscess Aneurysm - arterial/ventricular Anus, tag Appendix, other than incidental Artery, atheromatous plaque Bartholin's gland cyst Bone fragment(s), other than pathologic fracture Bursa/synovial cyst Carpal tunnel tissue Cartilage, shavings Cholesteatoma Colon, colostomy stoma Conjunctiva - biopsy/pterygium Cornea Diverticulum - esophagus/small intestine Dupuytren's contracture tissue Femoral head, other than fracture Fissure/fistula Foreskin, other than newborn Gallbladder Ganglion cyst Hematoma Hemorrhoids Hydatid of Morgagni Intervertebral disc Joint, loose body Meniscus Mucocele, salivary Neuroma - Morton's/traumatic Pilonidal cyst/sinus Polyps, inflammatory - nasal/sinusoidal Skin - cyst/tag/debridement Soft tissue, debridement Soft tissue, lipoma Spermatocele Tendon/tendon sheath Testicular appendage Thrombus or embolus Tonsil and/or adenoids Varicocele Vas deferens, other than sterilization Vein, varicosity
Level V - Surgical pathology, gross and microscopic examination Adrenal, resection Bone - biopsy/curettings Bone fragment(s), pathologic fracture Brain, biopsy Brain/meninges, tumor resection Breast, excision of lesion, requiring microscopic evaluation of surgical margins Breast, mastectomy - partial/simple Cervix, conization Colon, segmental resection, other than for tumor Extremity, amputation, non-traumatic Eye, enucleation Kidney, partial/total nephrectomy Larynx, partial/total resection Liver, biopsy - needle/wedge Liver, partial resection Lung, wedge biopsy Lymph nodes, regional resection Mediastinum, mass Myocardium, biopsy Odontogenic tumor Ovary with or without tube, neoplastic Pancreas, biopsy Placenta, third trimester Prostate, except radical resection Salivary gland Sentinel lymph node Small intestine, resection, other than for tumor Soft tissue mass (except lipoma) - biopsy/simple excision Stomach - subtotal/total resection, other than for tumor Testis, biopsy Thymus, tumor Thyroid, total/lobe Ureter, resection Urinary bladder, TUR Uterus, with or without tubes and ovaries, other than neoplastic/prolapse
Decalcification procedure (List separately in addition to code for surgical pathology examination)
Special stain including interpretation and report; Group II, all other (eg, iron, trichrome), except stain for microorganisms, stains for enzyme constituents, or immunocytochemistry and immunohistochemistry
Level VI - Surgical pathology, gross and microscopic examination Bone resection Breast, mastectomy - with regional lymph nodes Colon, segmental resection for tumor Colon, total resection Esophagus, partial/total resection Extremity, disarticulation Fetus, with dissection Larynx, partial/total resection - with regional lymph nodes Lung - total/lobe/segment resection Pancreas, total/subtotal resection Prostate, radical resection Small intestine, resection for tumor Soft tissue tumor, extensive resection Stomach - subtotal/total resection for tumor Testis, tumor Tongue/tonsil -resection for tumor Urinary bladder, partial/total resection Uterus, with or without tubes and ovaries, neoplastic Vulva, total/subtotal resection

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*These referrals represent the top 10 that Dr. Luo has made to other doctors


Jaw muscle spindle afferents coordinate multiple orofacial motoneurons via common premotor neurons in rats: an electrophysiological and anatomical study. - Brain research
Jaw muscle spindle afferents (JMSA) in the mesencephalic trigeminal nucleus (Vme) project to the parvocellular reticular nucleus (PCRt) and dorsomedial spinal trigeminal nucleus (dm-Vsp). A number of premotor neurons that project to the trigeminal motor nucleus (Vmo), facial nucleus (VII) and hypoglossal nucleus (XII) are also located in the PCRt and dm-Vsp. In this study, we examined whether these premotor neurons serve as common relay pool for relaying JMSA to multiple orofacial motoneurons. JMSA inputs to the PCRt and dm-Vsp neurons were verified by recording extracellular responses to electrical stimulation of the caudal Vme or masseter nerve, mechanical stimulation of jaw muscles and jaw opening. After recording, biocytin in recording electrode was inotophorized into recording sites. Biocytin-Iabeled fibers traveled to the Vmo, VII, XII, and the nucleus ambiguus (Amb). Labeled boutons were seen in close apposition with Nissl-stained motoneurons in the Vmo, VII, XII and Amb. In addition, an anterograde tracer (biotinylated dextran amine) was iontophorized into the caudal Vme, and a retrograde tracer (Cholera toxin B subunit) was delivered into either the VII or Xll to identify VII and XII premotor neurons that receive JMSA input. Contacts between labeled Vme neuronal boutons and premotor neurons were observed in the PCRt and adjacent dm-Vsp. Confocal microscopic observations confirmed close contacts between Vme boutons and VII and XII premotor neurons. This study provides evidence that JMSA may coordinate activities of multiple orofacial motor nuclei, including Vmo, VII, XII and Amb in the brainstem via a common premotor neuron pool.Published by Elsevier B.V.
Nodular histiocytic aggregates in the greater omentum of patients with ovarian cancer. - International journal of surgical pathology
Nodular histiocytic aggregate (NHA) of the omentum is a rare benign proliferative process composed predominantly of histiocytes with scattered mesothelial cells. NHA is a differential diagnosis for neoplasms or metastatic tumors in cancer patients. To further clarify this clinical pitfall issue, the authors investigated surgical samples of the greater omentum from 96 patients with gastrointestinal malignancies and 53 patients with gynecologic neoplasms. Visible NHA of greater omentum was identified in 3 patients with ovarian neoplasms (borderline mucinous cystadenoma, low-grade papillary serous cystadenocarcinoma, and juvenile granulosa-cell tumor) but in none of the patients with gastrointestinal malignancies. Similar lesion was also identified on the cell blocks from peritoneal washings in 1 of the 3 patients. Grossly, the lesions formed small yellow-red nodules on the greater omentum, and the NHA lesion was also found diffusely on the surface of the appendix and fallopian tubes in 2 of the 3 patients. Histological study showed that typical NHA changes over an inflammatory background, which may indicate that NHA is a consequence of a chronic inflammatory process of omentum. The predominant infiltration of T lymphocytes in the NHA lesions indicates that the aggregation of histiocytes may be related to the activation of T-cell immunity. This report has first demonstrated visible NHA in the greater omentum of patients with ovarian malignancies, and awareness of this entity should be brought to clinicians to avoid misdiagnosis.
Unraveling a masticatory - oculomotor neural pathway in rat: Implications for a pathophysiological neural circuit in human? - International journal of physiology, pathophysiology and pharmacology
Anterograde tracers were injected into the mesencephalic trigeminal nucleus (Vme) in pons, labeled axons and terminals were observed in ipsilateral oculomotor (III) and trochlear (IV) nuclei, as well as in interstitial nucleus of Cajar and Darkschewitsch nucleus (INC/DN), the well-known premotor nuclei to the III/IV, but not in abducens nucleus and central mesencephalic and paramedian pontine reticular formation (CMRF/PPRF). Retrogradely labeled INC/DN neurons do ensue from injection of tracers into the III. Confocal microscopy revealed labeled Vme axonal terminals contact with labeled pre-oculomotor neurons in the INC/DN. In response to electrical stimulation of trigeminal nerve root (TR) jaw muscle branches, which contains peripheral processes of the jaw muscle spindle, extracellular unit discharges were recorded in the ipsilateral III/IV and INC/DN. Electromyography (EMG) was also recorded from superior rectus (SR) and levator palpebrae (LP) following electrical stimulation of the TR. Moreover, stimulation of the TR induced Fos expression in the INC/DN pre-oculomotor neurons, but not in CMRF/PPRF that harbors horizontal eye moving premotor neurons. By injection of retrograde tracers into the III combined with Fos immunostain, double labeled pre-oculomotor neurons were observed in the INC/DN. About 80% of retrogradely labeled III premotor neurons express Fos. These results suggest a neural pathway from the masticatory Vme neurons to the oculomotor system that is probably involved exclusively in vertical and torsional eye movement as well as eyelid retraction. The potential relationship between this pathway and Marcus Gunn Syndrome (MGS), a congenital jaw-winking syndrome, was discussed.
Successful management of hemopericardium and cardiac tamponade secondary to occult malignancy and anticoagulation. - Experimental and clinical cardiology
In patients presenting with pericarditis or pericardial effusion without known malignancy, the likelihood of finding previously undiagnosed cancer in different publications typically ranges from 4% to 7%. Cardiac tamponade due to malignant pericardial effusion is thus a rare clinical entity and often acutely life threatening. The present report describes an unusual case of large pericardial bleeding causing tamponade in the setting of fondaparinux anticoagulation, heterozygous factor V Leiden mutation and eventual discovery of meta-static adenocarcinoma.
Serous papillary cystadenocarcinoma arising from autografted ovary of the abdominal wall. - International journal of surgical pathology
A 58-year-old-woman developed a serous papillary cystadenocarcinoma between the fascia and peritoneum of the left abdominal wall. The patient had undergone bilateral oophorectomy for serous cystadenoma 17 years earlier and her residual normal ovarian parenchyma had also been transplanted to the abdominal wall. Grossly and microscopically, the current tumor arises from the autografted ovarian parenchyma. Literature review indicates that carcinoma arising from autografted ovarian tissue is extremely rare.
Pathology and FDG PET correlation of residual lymph nodes in head and neck cancer after radiation treatment. - American journal of clinical oncology
This study determines if postradiotherapy [18F]fluorodeoxyglucose positron emission tomography (FDG PET) can predict the pathology status of residual cervical lymph nodes in patients undergoing definitive radiotherapy for head and neck squamous cell carcinoma (HNSCC).Patients with stage N2 or higher HNSCC underwent PET and CT imaging after definitive radiotherapy. Patients with radiographically persistent lymphadenopathy underwent either neck dissection or fine needle aspiration (FNA) of the lymph nodes under ultrasound guidance. PET scan results were correlated with the pathologic findings of the residual lymphadenopathy.Twenty-four hemi-necks in 23 patients with residual lymphadenopathy had neck dissection or FNA. The pathology correlated strongly with the post-RT FDG PET studies. All patients with a negative post-RT FDG PET and those with a maximum standardized uptake value (SUVmax) of less than 3.0 in the post-RT FDG PET were found to be free from residual viable tumor. Using a SUVmax of less than 3.0 as the criterion for a negative FDG PET study, the sensitivity, specificity, positive predictive value, and negative predictive value were 100%, 84.2%, 62.5%, and 100%, respectively.A negative post-RT FDG PET is very predictive of negative pathology in the residual lymph node after definitive radiotherapy for advanced HNSCC. A prospective clinical trial is warranted to determine if neck dissection can be withheld in these patients.
Neuronal circuitry and synaptic organization of trigeminal proprioceptive afferents mediating tongue movement and jaw-tongue coordination via hypoglossal premotor neurons. - The European journal of neuroscience
The neural framework and synaptic organization of trigeminal proprioceptive afferent-mediated jaw-tongue coordination were studied in rats using multiple electrophysiological and neuroanatomical approaches. Electrostimulation of the masseter nerve evoked short-latency responses (5.86 +/- 2.59 ms) in hypoglossal premotor pools including the parvocellular (PCRt) and intermediate (IRt) reticular nuclei and the dorsomedial part of the spinal trigeminal nucleus oralis (Vodm) and interpolaris (Vidm). Biocytin-labelled axon terminals from these areas traveled into the hypoglossal nucleus (XII) and contacted motoneurons. Double labelling of biotinylated dextran amine (BDA) tracing and cholera toxin B (CTB) transport demonstrated that labelled axons and terminals from the mesencephalic trigeminal nucleus (Vme) overlapped with XII premotor neurons in the alpha division and in PCRt, IRt, Vodm and Vidm. Confocal microscopic observations revealed that Vme terminals closely contacted XII premotor neurons. Dual labelling of intracellular neurobiotin staining of jaw-muscle spindle afferents (JMSAs) combined with horseradish peroxidase (HRP) retrograde transport revealed that 498 JMSA boutons apposed to 146 HRP-labelled premotor neurons. Electron microscopic observations demonstrated that 127 JMSA boutons made both axodendritic (68%) and axosomatic (32%) synapses with XII premotor neurons. Eighty-three per cent of synapses were asymmetric and the rest (17%) were symmetric. Thirty-nine per cent of JMSA boutons received presynaptic contacts from P-type terminals. Varieties of synaptic organizations were found. These results provide evidence that trigeminal proprioceptive afferents mediate jaw-tongue coordination through XII premotor neurons. Ultrastructural findings demonstrated that synapses between JMSA boutons and XII premotor neurons are predominantly excitatory, and synaptic transmission to XII motoneurons is modified on XII premotor neurons by presynaptic mechanisms. These frameworks and synaptic organizations are most probably the neural substrate for trigeminal proprioceptive afferent-mediated jaw-tongue coordination.
Synaptic organization of monosynaptic connections from mesencephalic trigeminal nucleus neurons to hypoglossal motoneurons in the rat. - Synapse (New York, N.Y.)
Synaptological characteristics of synapses between axonal boutons of the trigeminal mesencephalic nucleus (Vme) neurons and the hypoglossal nucleus (XII) motoneurons (MNs) were studied using biotinylated dextran amine (BDA) anterograde labeling combined with horseradish peroxidase (HRP) retrograde transport in the rat. BDA was initially iontophoresed into Vme unilaterally and 7 days later HRP was injected into the anterior two-thirds of the ipsilateral tongue. After histochemical reactions, BDA anterogradely labeled boutons were seen to appose closely to somata and dendrites of HRP retrogradely labeled MNs in XII by light microscopy. A total of 212 BDA-labeled Vme boutons were examined ultrastructurally, which had an average diameter of 1.3 +/- 0.4 microm and contain small clear spherical vesicles. Eighty-eight percent of Vme boutons (187/212) synapsed on dendrites of HRP-labeled XII MNs. Twenty-five Vme boutons (25/212, 12%) made synapses with somata of HRP-labeled XII MNs. Thirty-five percent (74/212) of BDA-labeled Vme boutons were also contacted by unlabeled P-type terminals. Presynaptic P-type terminals contained spherical (47%, 35/74), pleomorphic (43%, 32/74), and flattened (10%, 7/74) synaptic vesicles. Thus, P-type terminals (as a presynaptic element), BDA-labeled Vme boutons, and XII MNs constitute axoaxodendritic and axoaxosomatic synaptic triads. There are four types of synaptic microcircuits in XII neuropil: synaptic convergence, synaptic divergence, presynaptic inhibition synaptic circuits, and feedforward regulation circuits. This detailed ultrastructure examination of the synaptic organization between Vme neurons and XII MNs provides insights into the synaptic mechanisms of the trigeminal proprioceptive afferents involved in the jaw-tongue reflex and coordination during oral motor behaviors.Copyright 2003 Wiley-Liss, Inc.
Ultrastructural features of synapse from dorsal parvocellular reticular formation neurons to hypoglossal motoneurons of the rat. - Brain research
The dorsal parvocellular reticular formation (PCRt) receives projection of the trigeminal mesencephalic nucleus neurons. It contains the dorsal group of interneurons that integrate and coordinate activity of the oral motor nuclei. Ultrastructural features of synaptic connection from the dorsal PCRt neurons to the motoneurons of the hypoglossal nucleus (XII) were examined at both the light and electron microscopic levels in rats. Biotinylated dextran amine (BDA) was initially iontophoresed into the dorsal part of PCRt unilaterally. Seven days later horseradish peroxidase (HRP) was injected into the body of the tongue. After histochemical reaction for visualization of HRP and BDA, the BDA-labeled fibers and terminals were seen distributing bilaterally in XII with ipsilateral predominance. BDA-labeled terminals were closely apposed upon HRP retrogradely labeled somata and dendrites of the XII motoneurons. A total of 1408 BDA-labeled boutons were examined ultrastructurally, which had mean size of 1.22+/-0.37 microm in diameter. Five hundred-ninety three of these boutons in both the ipsilateral (n=401) and contralateral (n=192) XII were seen to synapse on both the dendrites and somata of HRP-labeled motoneurons. The vast majorities of synapses were axodendritic (98%, 580/593), while 2% of them were axosomatic. Of the 1408 BDA-labeled boutons, 69.6% of them were S-type boutons containing small clear and spherical synaptic vesicles and 30.4% of them were PF-type boutons containing pleomorphic and flattened synaptic vesicles. Approximately 64% of synapses between BDA-labeled boutons and HRP-labeled motoneurons were asymmetric, and 33% of synapses were symmetric. No axoaxodendritic or axoaxosomatic synaptic triad was observed. The present study illustrated the anatomical pathway and synaptological characteristics of neuronal connection between the dorsal PCRt premotor neurons and the XII motoneurons. Its functional significance in coordinating activity of XII motoneurons during oral motor behaviors has been discussed.
Orexin B immunoreactive fibers and terminals innervate the sensory and motor neurons of jaw-elevator muscles in the rat. - Synapse (New York, N.Y.)
The relationship between orexinergic terminals and the sensory and motor neurons of jaw-elevator muscles was examined by means of anti-orexin B (OXB) immunohistochemistry combined with horseradish peroxidase (HRP) retrograde tracing in the rat. HRP was initially injected into the jaw-elevator muscles; 48 h later the animals were sacrificed and fixed for HRP reaction and anti-OXB immunohistochemistry. OXB-like terminals were observed to distribute in the trigeminal mesencephalic nucleus (Vme) and the trigeminal motor nucleus (Vmo) where they closely contact the Vme neuronal somata and the Vmo neuronal somata and dendrites retrogradely labeled with HRP. The results of this study provide anatomical evidence of a direct OXB orexinergic innervation of the sensory and motor neurons controlling jaw-elevator muscles involved in mastication. Its functional significance related to the feeding behavior and bruxism is discussed.Copyright 2002 Wiley-Liss, Inc.

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